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-rw-r--r--m4/unistd_h.m44
1 files changed, 1 insertions, 3 deletions
diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4
index ba45e8b7aab..c81a1138e92 100644
--- a/m4/unistd_h.m4
+++ b/m4/unistd_h.m4
@@ -1,4 +1,4 @@
-# unistd_h.m4 serial 52
+# unistd_h.m4 serial 53
dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -14,8 +14,6 @@ AC_DEFUN([gl_UNISTD_H],
AC_REQUIRE([AC_C_INLINE])
gl_CHECK_NEXT_HEADERS([unistd.h])
-
- AC_CHECK_HEADERS_ONCE([unistd.h])
if test $ac_cv_header_unistd_h = yes; then
HAVE_UNISTD_H=1
else