mfplat: Return S_OK from MFStartup stub.

dlls/mfplat/main.c

@@ -404,8 +404,15 @@ HRESULT WINAPI MFTUnregister(CLSID clsid)
  */
 HRESULT WINAPI MFStartup(ULONG version, DWORD flags)
 {
+#define MF_VERSION_XP   MAKELONG( MF_API_VERSION, 1 )
+#define MF_VERSION_WIN7 MAKELONG( MF_API_VERSION, 2 )
+
     FIXME("(%u, %u): stub\n", version, flags);
-    return MF_E_BAD_STARTUP_VERSION;
+
+    if(version != MF_VERSION_XP && version != MF_VERSION_WIN7)
+        return MF_E_BAD_STARTUP_VERSION;
+
+    return S_OK;
 }
 
 /***********************************************************************

dlls/mfplat/tests/mfplat.c

@@ -202,8 +202,11 @@ static void test_MFCreateMediaType(void)
     HRESULT hr;
     IMFMediaType *mediatype;
 
+    hr = MFStartup(MAKELONG( MF_API_VERSION, 0xdead ), MFSTARTUP_FULL);
+    ok(hr == MF_E_BAD_STARTUP_VERSION, "got 0x%08x\n", hr);
+
     hr = MFStartup(MF_VERSION, MFSTARTUP_FULL);
-    todo_wine ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
 
 if(0)
 {