[PATCH 4/4] winegstreamer: Handle null transform in WMA IMediaObject::Flush().

[Conor McCarthy]

From: Conor McCarthy

---
 dlls/winegstreamer/wma_decoder.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/winegstreamer/wma_decoder.c b/dlls/winegstreamer/wma_decoder.c
index c141b7e26fe..09b2ee647b3 100644
--- a/dlls/winegstreamer/wma_decoder.c
+++ b/dlls/winegstreamer/wma_decoder.c
@@ -897,6 +897,9 @@ static HRESULT WINAPI media_object_Flush(IMediaObject *iface)

TRACE("iface %p.\n", iface);

+    if (!decoder->wg_transform)
+        return DMO_E_TYPE_NOT_SET;
+
     if (FAILED(hr = wg_transform_flush(decoder->wg_transform)))
         return hr;