wxGUI/modeler: cosmetics in the menu

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@42506 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/xml/menudata_modeler.xml

@@ -87,11 +87,16 @@
 	  <handler>OnRemoveItem</handler>
 	</menuitem>
 	<separator />
-	<menuitem>
+ 	<menuitem>
 	  <label>Model properties</label>
 	  <help>Model properties (name, purpose, etc.)</help>
 	  <handler>OnModelProperties</handler>
 	</menuitem>
+ 	<menuitem>
+	  <label>Manage variables</label>
+	  <help>Manage model variables</help>
+	  <handler>OnModelVariables</handler>
+	</menuitem>
 	<separator />
 	<menuitem>
 	  <label>Delete intermediate data</label>