userenv: Add stub implementations for {Register, Unregister}GPNotification.

dlls/userenv/userenv.spec

@@ -9,4 +9,6 @@
 @ stdcall GetUserProfileDirectoryW(ptr ptr ptr)
 @ stdcall LoadUserProfileA(ptr ptr)
 @ stub LoadUserProfileW
+@ stdcall RegisterGPNotification(long long)
 @ stub UnloadUserProfile
+@ stdcall UnregisterGPNotification(long)

dlls/userenv/userenv_main.c

@@ -121,3 +121,15 @@ BOOL WINAPI LoadUserProfileA( HANDLE hToken, LPPROFILEINFOA lpProfileInfo )
     lpProfileInfo->hProfile = HKEY_CURRENT_USER;
     return TRUE;
 }
+
+BOOL WINAPI RegisterGPNotification( HANDLE event, BOOL machine )
+{
+    FIXME("%p %d\n", event, machine );
+    return TRUE;
+}
+
+BOOL WINAPI UnregisterGPNotification( HANDLE event )
+{
+    FIXME("%p\n", event );
+    return TRUE;
+}