MINOR: map: export map_get_reference() function

This function is used to identify map with his reference into the CLI
functions.

include/proto/map.h

@@ -0,0 +1,29 @@
+/*
+ * include/proto/map.h
+ * This file provides structures and types for pattern matching.
+ *
+ * Copyright (C) 2000-2013 Willy Tarreau - w@1wt.eu
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _PROTO_MAP_H
+#define _PROTO_MAP_H
+
+#include <types/map.h>
+
+struct map_reference *map_get_reference(const char *reference);
+
+#endif /* _PROTO_PATTERN_H */

src/map.c

@@ -25,7 +25,7 @@
 struct list maps = LIST_HEAD_INIT(maps); /* list of struct map_reference */
 
 /* This function return existing map reference or return NULL. */
-static struct map_reference *map_get_reference(const char *reference)
+struct map_reference *map_get_reference(const char *reference)
 {
 	struct map_reference *ref;