maint: update gnulib and copyright dates for 2018

* gnulib: Update to latest.
* all files: Run "make update-copyright".
* bootstrap: Update from gnulib.

12 files changed, 12 insertions, 12 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 7a0cdef8..656ba13d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,5 +1,5 @@
 ## Process this file with automake to create Makefile.in
-# Copyright 1997-1998, 2005-2017 Free Software Foundation, Inc.
+# Copyright 1997-1998, 2005-2018 Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/src/dfasearch.c b/src/dfasearch.c
index 542e7f11..46a0db1d 100644
--- a/src/dfasearch.c
+++ b/src/dfasearch.c
@@ -1,5 +1,5 @@
 /* dfasearch.c - searching subroutines using dfa and regex for grep.
-   Copyright 1992, 1998, 2000, 2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright 1992, 1998, 2000, 2007, 2009-2018 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/die.h b/src/die.h
index 2208d0f5..795a7244 100644
--- a/src/die.h
+++ b/src/die.h
@@ -1,5 +1,5 @@
 /* Report an error and exit.
-   Copyright 2016-2017 Free Software Foundation, Inc.
+   Copyright 2016-2018 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/grep.c b/src/grep.c
index a444cf34..bc472431 100644
--- a/src/grep.c
+++ b/src/grep.c
@@ -1,5 +1,5 @@
 /* grep.c - main driver file for grep.
-   Copyright (C) 1992, 1997-2002, 2004-2017 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1997-2002, 2004-2018 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/grep.h b/src/grep.h
index 325b278e..19954bbb 100644
--- a/src/grep.h
+++ b/src/grep.h
@@ -1,5 +1,5 @@
 /* grep.h - interface to grep driver for searching subroutines.
-   Copyright (C) 1992, 1998, 2001, 2007, 2009-2017 Free Software Foundation,
+   Copyright (C) 1992, 1998, 2001, 2007, 2009-2018 Free Software Foundation,
    Inc.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/src/kwsearch.c b/src/kwsearch.c
index 30a027c5..fefb51a7 100644
--- a/src/kwsearch.c
+++ b/src/kwsearch.c
@@ -1,5 +1,5 @@
 /* kwsearch.c - searching subroutines using kwset for grep.
-   Copyright 1992, 1998, 2000, 2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright 1992, 1998, 2000, 2007, 2009-2018 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/kwset.c b/src/kwset.c
index a2ce6b6b..95e4b9bd 100644
--- a/src/kwset.c
+++ b/src/kwset.c
@@ -1,5 +1,5 @@
 /* kwset.c - search for any of a set of keywords.
-   Copyright (C) 1989, 1998, 2000, 2005, 2007, 2009-2017 Free Software
+   Copyright (C) 1989, 1998, 2000, 2005, 2007, 2009-2018 Free Software
    Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/src/kwset.h b/src/kwset.h
index b1defbb6..95381117 100644
--- a/src/kwset.h
+++ b/src/kwset.h
@@ -1,5 +1,5 @@
 /* kwset.h - header declaring the keyword set library.
-   Copyright (C) 1989, 1998, 2005, 2007, 2009-2017 Free Software Foundation,
+   Copyright (C) 1989, 1998, 2005, 2007, 2009-2018 Free Software Foundation,
    Inc.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/src/pcresearch.c b/src/pcresearch.c
index 96b7fc69..ac150125 100644
--- a/src/pcresearch.c
+++ b/src/pcresearch.c
@@ -1,5 +1,5 @@
 /* pcresearch.c - searching subroutines using PCRE for grep.
-   Copyright 2000, 2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright 2000, 2007, 2009-2018 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/search.h b/src/search.h
index 8533d59a..bc88303a 100644
--- a/src/search.h
+++ b/src/search.h
@@ -1,5 +1,5 @@
 /* search.c - searching subroutines using dfa, kwset and regex for grep.
-   Copyright 1992, 1998, 2000, 2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright 1992, 1998, 2000, 2007, 2009-2018 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/searchutils.c b/src/searchutils.c
index 336d9f9a..93581950 100644
--- a/src/searchutils.c
+++ b/src/searchutils.c
@@ -1,5 +1,5 @@
 /* searchutils.c - helper subroutines for grep's matchers.
-   Copyright 1992, 1998, 2000, 2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright 1992, 1998, 2000, 2007, 2009-2018 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/system.h b/src/system.h
index bac78235..8f59a83b 100644
--- a/src/system.h
+++ b/src/system.h
@@ -1,5 +1,5 @@
 /* Portability cruft.  Include after config.h and sys/types.h.
-   Copyright 1996, 1998-2000, 2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright 1996, 1998-2000, 2007, 2009-2018 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by