fwd-port of improved error msg

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@53678 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/gis/gisinit.c

@@ -61,7 +61,7 @@ void G__gisinit(const char *version, const char *pgm)
 	G_fatal_error(_("MAPSET %s - permission denied"), mapset);
 	break;
     default:
-	G_fatal_error(_("MAPSET %s not found"), mapset);
+	G_fatal_error(_("MAPSET %s not found at %s"), mapset, G_location_path());
 	break;
     }