wtsapi32: Add stub for WTSRegisterSessionNotification.

dlls/wtsapi32/wtsapi32.c

@@ -204,3 +204,12 @@ BOOL WINAPI WTSWaitSystemEvent(HANDLE hServer, DWORD Mask, DWORD* Flags)
     FIXME("Stub %p 0x%08x %p\n", hServer, Mask, Flags);
     return FALSE;
 }
+
+/************************************************************
+ *                WTSRegisterSessionNotification (WTSAPI32.@)
+ */
+BOOL WINAPI WTSRegisterSessionNotification(HWND hWnd, DWORD dwFlags)
+{
+    FIXME("Stub %p 0x%08x\n", hWnd, dwFlags);
+    return FALSE;
+}

dlls/wtsapi32/wtsapi32.spec

@@ -14,6 +14,7 @@
 @ stdcall WTSQuerySessionInformationW(long long long ptr ptr)
 @ stub WTSQueryUserConfigA
 @ stub WTSQueryUserConfigW
+@ stdcall WTSRegisterSessionNotification(long long)
 @ stub WTSSendMessageA
 @ stub WTSSendMessageW
 @ stub WTSSetSessionInformationA