dmcompos: IsParamSupported of DMChordMapTrack doesn't crashes on NULL.
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@ -139,6 +139,10 @@ static HRESULT WINAPI IDirectMusicChordMapTrack_IDirectMusicTrack_SetParam (LPDI
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static HRESULT WINAPI IDirectMusicChordMapTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
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static HRESULT WINAPI IDirectMusicChordMapTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
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ICOM_THIS_MULTI(IDirectMusicChordMapTrack, TrackVtbl, iface);
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ICOM_THIS_MULTI(IDirectMusicChordMapTrack, TrackVtbl, iface);
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TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
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TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
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if (!rguidType)
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return E_POINTER;
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if (IsEqualGUID (rguidType, &GUID_IDirectMusicChordMap)) {
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if (IsEqualGUID (rguidType, &GUID_IDirectMusicChordMap)) {
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TRACE("param supported\n");
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TRACE("param supported\n");
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return S_OK;
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return S_OK;
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