wxGUI: add g.gui.gcp to the menu (cosmetics)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@57443 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/xml/wxgui_items.xml

@@ -4,6 +4,7 @@
   <wxgui-item name="Georectify">
     <label>Georectify</label>
     <handler>OnGCPManager</handler>
+    <related-module>g.gui.gcp</related-module>
     <description>Manage Ground Control Points for Georectification</description>
   </wxgui-item>
   <wxgui-item name="GraphicalModeler">