Add missing file

* include/mailutils/glob.h: File was missing in df608ed0
* include/mailutils/Makefile.am: Add glob.h

@@ -48,6 +48,7 @@ pkginclude_HEADERS = \
  error.h\
  filter.h\
  folder.h\
+ glob.h\
  gsasl.h\
  guile.h\
  header.h\

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 2016 Free Software Foundation, Inc.
+
+   GNU Mailutils is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   GNU Mailutils is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _MAILUTILS_GLOB_H
+#define _MAILUTILS_GLOB_H
+
+#include <mailutils/types.h>
+#include <regex.h>
+
+/* Produce case-insensitive regex */
+#define MU_GLOBF_ICASE    0x01
+/* Treat each wildcard as regexp parenthesized group */
+#define MU_GLOBF_SUB      0x02
+/* When used with MU_GLOBF_SUB - collapse contiguous runs of * to single
+   asterisk */
+#define MU_GLOBF_COLLAPSE 0x04
+
+int mu_glob_to_regex_opool (char const *pattern, mu_opool_t pool, int flags);
+int mu_glob_to_regex (char **rxstr, char const *pattern, int flags);
+int mu_glob_compile (regex_t *rx, char const *pattern, int flags);
+
+#endif