windowscodecs: Use appropriate helper to release GIF decoder.

[Dmitry Timoshkov]

---
 dlls/windowscodecs/gifformat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/windowscodecs/gifformat.c b/dlls/windowscodecs/gifformat.c
index 78371b0..4fa10e0 100644
--- a/dlls/windowscodecs/gifformat.c
+++ b/dlls/windowscodecs/gifformat.c
@@ -661,7 +661,7 @@ static ULONG WINAPI GifFrameDecode_Release(IWICBitmapFrameDecode *iface)
 
     if (ref == 0)
     {
-        IUnknown_Release((IUnknown*)This->parent);
+        IWICBitmapDecoder_Release(&This->parent->IWICBitmapDecoder_iface);
         HeapFree(GetProcessHeap(), 0, This);
     }
 
-- 
1.7.12.1