v.transform: + GCP keyword for index

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@56652 15284696-431f-4ddb-bdfa-cd5b030d7da7

vector/v.transform/main.c

@@ -69,6 +69,7 @@ int main(int argc, char *argv[])
     module = G_define_module();
     G_add_keyword(_("vector"));
     G_add_keyword(_("transformation"));
+    G_add_keyword("GCP");
     module->description =
 	_("Performs an affine transformation (shift, scale and rotate) "
 	  "on vector map.");