Enabling calling HandleEvent for winless plugins on Windows

modules/plugin/base/src/ns4xPluginInstance.cpp

@@ -533,11 +533,12 @@ 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
+#if defined(XP_MAC) || defined(XP_WIN) //~~~
         res = CallNPP_HandleEventProc(fCallbacks->event,
                                         &fNPP,
                                         (void*) event->event);
 #endif
+
 #endif
 
 		*handled = res;

modules/plugin/nglsrc/ns4xPluginInstance.cpp

@@ -533,11 +533,12 @@ 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
+#if defined(XP_MAC) || defined(XP_WIN) //~~~
         res = CallNPP_HandleEventProc(fCallbacks->event,
                                         &fNPP,
                                         (void*) event->event);
 #endif
+
 #endif
 
 		*handled = res;