Hide pathfinding entries on non-secondlife

indra/newview/skins/default/xui/en/menu_viewer.xml

@@ -1013,6 +1013,9 @@
               parameter="pathfinding_linksets" />
           <menu_item_call.on_enable
               function="Tools.EnablePathfinding" />
+          <menu_item_call.on_visible
+              function="EnableGrid"
+              parameter="secondlife" />
         </menu_item_call> 
         <menu_item_separator/>
 
@@ -1171,6 +1174,9 @@
               parameter="pathfinding_linksets" />
           <menu_item_call.on_enable
               function="Tools.EnablePathfinding" />
+          <menu_item_call.on_visible
+              function="EnableGrid"
+              parameter="secondlife" />
         </menu_item_call>
         <menu_item_call
             label="Characters..."
@@ -1180,6 +1186,9 @@
               parameter="pathfinding_characters" />
           <menu_item_call.on_enable
               function="Tools.EnablePathfinding" />
+          <menu_item_call.on_visible
+              function="EnableGrid"
+              parameter="secondlife" />
         </menu_item_call>
         <menu_item_call
             label="Rebake region"
@@ -1188,6 +1197,9 @@
               function="Tools.DoPathfindingRebakeRegion"/>
           <menu_item_call.on_enable
               function="Tools.EnablePathfindingRebakeRegion" />
+          <menu_item_call.on_visible
+              function="EnableGrid"
+              parameter="secondlife" />
         </menu_item_call>
       </menu>