i.rectify: update for GUI

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@50237 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.rectify/main.c

@@ -113,6 +113,8 @@ int main(int argc, char *argv[])
     val = G_define_option();
     val->key = "order";
     val->type = TYPE_INTEGER;
+    val->options = "1-3";
+    val->answer = "1";
     val->required = YES;
     val->description = _("Rectification polynom order (1-3)");