win: Set GUID when getting icon's bounds

atom/browser/ui/win/notify_icon.cc

@@ -70,6 +70,11 @@ void NotifyIcon::HandleClickEvent(const gfx::Point& cursor_pos,
   icon_id.uID = icon_id_;
   icon_id.hWnd = window_;
   icon_id.cbSize = sizeof(NOTIFYICONIDENTIFIER);
+  if (has_tray_app_id_hash_)
+    memcpy(reinterpret_cast<void*>(&icon_id.guidItem),
+           &tray_app_id_hash_,
+           sizeof(GUID));
+
   RECT rect = { 0 };
   Shell_NotifyIconGetRect(&icon_id, &rect);