Added stub for UnregisterDeviceNotification.

dlls/user/misc.c

@@ -572,6 +572,16 @@ HDEVNOTIFY WINAPI RegisterDeviceNotificationW(HANDLE hRecepient, LPVOID pNotific
 }
 
 /***********************************************************************
+ *		UnregisterDeviceNotification (USER32.@)
+ *
+ */
+BOOL  WINAPI UnregisterDeviceNotification(HDEVNOTIFY hnd)
+{
+    FIXME("(handle=%p), STUB!\n", hnd);
+    return TRUE;
+}
+
+/***********************************************************************
  *           GetAppCompatFlags   (USER32.@)
  */
 DWORD WINAPI GetAppCompatFlags( HTASK hTask )

dlls/user/user32.spec

@@ -713,7 +713,7 @@
 @ stdcall UnpackDDElParam(long long ptr ptr)
 @ stdcall UnregisterClassA(str long)
 @ stdcall UnregisterClassW(wstr long)
-@ stub    UnregisterDeviceNotification
+@ stdcall UnregisterDeviceNotification(long)
 @ stdcall UnregisterHotKey(long long)
 # @ stub UnregisterMessagePumpHook
 # @ stub UnregisterUserApiHook