libgis: G__create_alt_search_path() requires new initialization

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@57982 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/gis/mapset_nme.c

@@ -102,6 +102,7 @@ void G__create_alt_search_path(void)
     st->path2.names = st->path.names;
 
     st->path.count = 0;
+    st->initialized = 0;
 }
 
 /*!