v.support: open vector on level 1, not 2, related to https://trac.osgeo.org/grass/ticket/2588 (merge from trunk, https://trac.osgeo.org/grass/changeset/64603)

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@64604 15284696-431f-4ddb-bdfa-cd5b030d7da7

vector/v.support/main.c

@@ -125,7 +125,7 @@ int main(int argc, char *argv[])
     if (G_parser(argc, argv))
 	exit(EXIT_FAILURE);
 
-    Vect_set_open_level(2);
+    Vect_set_open_level(1);
     if (Vect_open_old(&Map, map->answer, "") < 1)
 	G_fatal_error(_("Unable to open vector map <%s>"), map->answer);