v.drape: add keyword for ArcGIS users

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@68220 15284696-431f-4ddb-bdfa-cd5b030d7da7

vector/v.drape/main.c

@@ -57,6 +57,7 @@ int main(int argc, char *argv[])
     G_add_keyword(_("geometry"));
     G_add_keyword(_("sampling"));
     G_add_keyword(_("3D"));
+    G_add_keyword(_("surface information"));
     module->description =
 	_("Converts 2D vector features to 3D by sampling of elevation raster map.");