Fixing build bustage

git-svn-id: svn://10.0.0.236/trunk@31959 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/modules/plugin/base/src/ns4xPluginInstance.cpp

@@ -532,9 +532,11 @@ NS_IMETHODIMP ns4xPluginInstance::HandleEvent(nsPluginEvent* event, PRBool* hand
 #if !TARGET_CARBON
 // pinkerton
 // relies on routine descriptors, not present in carbon. We need to fix this.
+#ifdef XP_MAC
         res = CallNPP_HandleEventProc(fCallbacks->event,
                                         &fNPP,
                                         (void*) event->event);
+#endif
 #endif
 
 		*handled = res;