v.what.rast: do not require level 2 (topology) - missing variable initialization

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@70332 15284696-431f-4ddb-bdfa-cd5b030d7da7

vector/v.what.rast/main.c

@@ -200,6 +200,7 @@ int main(int argc, char *argv[])
 
     G_important_message(_("Reading features from vector map..."));
     Vect_set_constraint_type(&Map, vtype);
+    i = 0;
     while (TRUE) {
         /* register line */
         type = Vect_read_next_line(&Map, Points, Cats);