dwmapi: Add a stub for DwmGetTransportAttributes.

dlls/dwmapi/dwmapi.spec

@@ -31,7 +31,7 @@
 @ stub DwmGetCompositionTimingInfo
 @ stub DwmGetGraphicsStreamClient
 @ stub DwmGetGraphicsStreamTransformHint
-@ stub DwmGetTransportAttributes
+@ stdcall DwmGetTransportAttributes(ptr ptr ptr)
 @ stub DwmGetWindowAttribute
 @ stdcall DwmIsCompositionEnabled(ptr)
 @ stub DwmModifyPreviousDxFrameDuration

dlls/dwmapi/dwmapi_main.c

@@ -110,6 +110,17 @@ HRESULT WINAPI DwmSetWindowAttribute(HWND hwnd, DWORD attributenum, LPCVOID attr
     return E_NOTIMPL;
 }
 
+
+/**********************************************************************
+ *  *           DwmGetTransportAttributes         (DWMAPI.@)
+ *   */
+HRESULT WINAPI DwmGetTransportAttributes(BOOL *pfIsRemoting, BOOL *pfIsConnected, DWORD *pDwGeneration)
+{
+    FIXME("(%p, %p, %p) stub\n", pfIsRemoting, pfIsConnected, pDwGeneration);
+
+    return E_NOTIMPL;
+}
+
 /**********************************************************************
  *           DwmUnregisterThumbnail         (DWMAPI.@)
  */