vlib: don't print building message for temporary maps (cosmetics)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@55479 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/vector/Vlib/build.c

@@ -857,7 +857,7 @@ int Vect_build_partial(struct Map_info *Map, int build)
 	Vect_open_sidx(Map, 2);
 
     plus = &(Map->plus);
-    if (build > GV_BUILD_NONE) {
+    if (build > GV_BUILD_NONE && !Map->temporary) {
 	G_message(_("Building topology for vector map <%s>..."),
 		  Vect_get_full_name(Map));
     }