dmusic: Remove superfluous pointer casts.

dlls/dmusic/collection.c

@@ -36,19 +36,19 @@ static HRESULT WINAPI IDirectMusicCollectionImpl_IUnknown_QueryInterface (LPUNKN
 	TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
 
 	if (IsEqualIID (riid, &IID_IUnknown)) {
-		*ppobj = (LPVOID)&This->UnknownVtbl;
+		*ppobj = &This->UnknownVtbl;
 		IDirectMusicCollectionImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 		return S_OK;	
 	} else if (IsEqualIID (riid, &IID_IDirectMusicCollection)) {
-		*ppobj = (LPVOID)&This->CollectionVtbl;
+		*ppobj = &This->CollectionVtbl;
 		IDirectMusicCollectionImpl_IDirectMusicCollection_AddRef ((LPDIRECTMUSICCOLLECTION)&This->CollectionVtbl);
 		return S_OK;
 	} else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
-		*ppobj = (LPVOID)&This->ObjectVtbl;
+		*ppobj = &This->ObjectVtbl;
 		IDirectMusicCollectionImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);		
 		return S_OK;
 	} else if (IsEqualIID (riid, &IID_IPersistStream)) {
-		*ppobj = (LPVOID)&This->PersistStreamVtbl;
+		*ppobj = &This->PersistStreamVtbl;
 		IDirectMusicCollectionImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);		
 		return S_OK;
 	}

dlls/dmusic/dmusic.c

@@ -91,7 +91,7 @@ static HRESULT WINAPI IDirectMusic8Impl_EnumPort(LPDIRECTMUSIC8 iface, DWORD dwI
 		TRACE("enumerating 'digital sound' ports\n");	
 		if (i == dwIndex)
 		{
-			DirectSoundEnumerateA((LPDSENUMCALLBACKA) register_waveport, (VOID*) pPortCaps);
+			DirectSoundEnumerateA(register_waveport, pPortCaps);
 			return S_OK;	
 		}
 	}

dlls/dmusic/dmusic_main.c

@@ -167,11 +167,11 @@ HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 {
 	TRACE("(%s, %s, %p)\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
 	if (IsEqualCLSID (rclsid, &CLSID_DirectMusic) && IsEqualIID (riid, &IID_IClassFactory)) {
-		*ppv = (LPVOID) &DirectMusic_CF;
+		*ppv = &DirectMusic_CF;
 		IClassFactory_AddRef((IClassFactory*)*ppv);
 		return S_OK;
 	} else if (IsEqualCLSID (rclsid, &CLSID_DirectMusicCollection) && IsEqualIID (riid, &IID_IClassFactory)) {
-		*ppv = (LPVOID) &Collection_CF;
+		*ppv = &Collection_CF;
 		IClassFactory_AddRef((IClassFactory*)*ppv);
 		return S_OK;
 	}

dlls/dmusic/instrument.c

@@ -33,11 +33,11 @@ static HRESULT WINAPI IDirectMusicInstrumentImpl_IUnknown_QueryInterface (LPUNKN
 	TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
 	
 	if (IsEqualIID (riid, &IID_IUnknown)) {
-		*ppobj = (LPVOID)&This->UnknownVtbl;
+		*ppobj = &This->UnknownVtbl;
 		IDirectMusicInstrumentImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 		return S_OK;	
 	} else if (IsEqualIID (riid, &IID_IDirectMusicInstrument)) {
-		*ppobj = (LPVOID)&This->InstrumentVtbl;
+		*ppobj = &This->InstrumentVtbl;
 		IDirectMusicInstrumentImpl_IDirectMusicInstrument_AddRef ((LPDIRECTMUSICINSTRUMENT)&This->InstrumentVtbl);
 		return S_OK;
 	} else if (IsEqualIID (riid, &IID_IDirectMusicInstrumentPRIVATE)) {	
@@ -46,7 +46,7 @@ static HRESULT WINAPI IDirectMusicInstrumentImpl_IUnknown_QueryInterface (LPUNKN
 			that whoever calls it knows the layout of original implementation table and therefore
 			tries to get data by direct access... expect crashes */
 		FIXME("*sigh*... requested private/unspecified interface\n");
-		*ppobj = (LPVOID)&This->UnknownVtbl;
+		*ppobj = &This->UnknownVtbl;
 		IDirectMusicInstrumentImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 		return S_OK;	
 	}