Revert changes relative to lib/*.[ch] recent renaming

This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:

  f871de0... build: make use of 76 lib/*.h renamed files
  ffd8e12... build: rename 76 lib/*.h files

This also reverts removal of redundant include guard (redundant thanks
to changes in above commits) done 2-12-2013, reverting 1 commit:

  c087374... curl_setup.h: remove redundant include guard

This also reverts renaming and usage of lib/*.c source files done
3-12-2013, reverting 3 commits:

  13606bb... build: make use of 93 lib/*.c renamed files
  5b6e792... build: rename 93 lib/*.c files
  7d83dff... build: commit 13606bbfde follow-up 1

Start of related discussion thread:

  http://curl.haxx.se/mail/lib-2013-01/0012.html

Asking for confirmation on pushing this revertion commit:

  http://curl.haxx.se/mail/lib-2013-01/0048.html

Confirmation summary:

  http://curl.haxx.se/mail/lib-2013-01/0079.html

NOTICE: The list of 2 files that have been modified by other
intermixed commits, while renamed, and also by at least one
of the 6 commits this one reverts follows below. These 2 files
will exhibit a hole in history unless git's '--follow' option
is used when viewing logs.

  lib/curl_imap.h
  lib/curl_smtp.h

1 files changed, 77 insertions, 0 deletions

diff --git a/lib/wildcard.c b/lib/wildcard.c
new file mode 100644
index 000000000..6f4c7380c
--- /dev/null
+++ b/lib/wildcard.c
@@ -0,0 +1,77 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "setup.h"
+
+#include "wildcard.h"
+#include "llist.h"
+#include "fileinfo.h"
+
+#define _MPRINTF_REPLACE /* use our functions only */
+#include <curl/mprintf.h>
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+CURLcode Curl_wildcard_init(struct WildcardData *wc)
+{
+  DEBUGASSERT(wc->filelist == NULL);
+  /* now allocate only wc->filelist, everything else
+     will be allocated if it is needed. */
+  wc->filelist = Curl_llist_alloc(Curl_fileinfo_dtor);
+  if(!wc->filelist) {;
+    return CURLE_OUT_OF_MEMORY;
+  }
+  return CURLE_OK;
+}
+
+void Curl_wildcard_dtor(struct WildcardData *wc)
+{
+  if(!wc)
+    return;
+
+  if(wc->tmp_dtor) {
+    wc->tmp_dtor(wc->tmp);
+    wc->tmp_dtor = ZERO_NULL;
+    wc->tmp = NULL;
+  }
+  DEBUGASSERT(wc->tmp == NULL);
+
+  if(wc->filelist) {
+    Curl_llist_destroy(wc->filelist, NULL);
+    wc->filelist = NULL;
+  }
+
+  if(wc->path) {
+    free(wc->path);
+    wc->path = NULL;
+  }
+
+  if(wc->pattern) {
+    free(wc->pattern);
+    wc->pattern = NULL;
+  }
+
+  wc->customptr = NULL;
+  wc->state = CURLWC_INIT;
+}