dmusic: Do not cast NULL.

[Michael Stefaniuc]

---
 dlls/dmusic/dmusic.c |    4 ++--
 dlls/dmusic/port.c   |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/dlls/dmusic/dmusic.c b/dlls/dmusic/dmusic.c
index 34edce9..f37f8f6 100644
--- a/dlls/dmusic/dmusic.c
+++ b/dlls/dmusic/dmusic.c
@@ -127,7 +127,7 @@ static HRESULT WINAPI IDirectMusic8Impl_CreatePort (LPDIRECTMUSIC8 iface, REFCLS
 		if (IsEqualCLSID (rclsidPort, &PortCaps.guidPort)) {
 			hr = DMUSIC_CreateDirectMusicPortImpl(&IID_IDirectMusicPort, (LPVOID*) &pNewPort, (LPUNKNOWN) This, pPortParams, &PortCaps);
 			if (FAILED(hr)) {
-			  *ppPort = (LPDIRECTMUSICPORT) NULL;
+                          *ppPort = NULL;
 			  return hr;
 			}
 			This->nrofports++;
@@ -255,7 +255,7 @@ HRESULT WINAPI DMUSIC_CreateDirectMusicImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPU
 
 	dmusic = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusic8Impl));
 	if (NULL == dmusic) {
-		*ppobj = (LPDIRECTMUSIC8) NULL;
+		*ppobj = NULL;
 		return E_OUTOFMEMORY;
 	}
 	dmusic->lpVtbl = &DirectMusic8_Vtbl;
diff --git a/dlls/dmusic/port.c b/dlls/dmusic/port.c
index 83fda74..c8cb20e 100644
--- a/dlls/dmusic/port.c
+++ b/dlls/dmusic/port.c
@@ -243,8 +243,8 @@ HRESULT WINAPI DMUSIC_CreateDirectMusicPortImpl (LPCGUID lpcGUID, LPVOID *ppobj,
 	TRACE("(%p,%p,%p)\n", lpcGUID, ppobj, pUnkOuter);
 
 	obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicPortImpl));
-	if (NULL == obj) 	{
-		*ppobj = (LPDIRECTMUSICPORT) NULL;
+	if (NULL == obj) {
+		*ppobj = NULL;
 		return E_OUTOFMEMORY;
 	}
 	obj->lpVtbl = &DirectMusicPort_Vtbl;
-- 
1.6.0.3
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