Warning fix: return discards qualifiers from pointer target type

search.c:312:
        return discards qualifiers from pointer target type

Signed-off-by: Mikhail S. Pobolovets <styx.mp@gmail.com>

src/search/lib.c

@@ -250,8 +250,8 @@ mc_search_get_types_strings_array (void)
 {
     GString *tmp;
     gchar **ret;
-    mc_search_type_str_t *type_str;
-    mc_search_type_str_t *types_str = mc_search_types_list_get ();
+    const mc_search_type_str_t *type_str;
+    const mc_search_type_str_t *types_str = mc_search_types_list_get ();
 
     tmp = g_string_new ("");
     type_str = types_str;

src/search/search.c

@@ -306,7 +306,7 @@ mc_search_is_type_avail (mc_search_type_t search_type)
 
 /* --------------------------------------------------------------------------------------------- */
 
-mc_search_type_str_t *
+const mc_search_type_str_t *
 mc_search_types_list_get (void)
 {
     return mc_search__list_types;

src/search/search.h

@@ -124,7 +124,7 @@ gboolean mc_search_run (mc_search_t * mc_search, const void *user_data, gsize st
 
 gboolean mc_search_is_type_avail (mc_search_type_t);
 
-mc_search_type_str_t *mc_search_types_list_get (void);
+const mc_search_type_str_t *mc_search_types_list_get (void);
 
 GString *mc_search_prepare_replace_str (mc_search_t * mc_search, GString * replace_str);