winecoreaudio: Adapt "get_capture_buffer_params" struct to mmdevapi's.

dlls/winecoreaudio.drv/mmdevdrv.c

@@ -1357,7 +1357,7 @@ static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
     params.stream = This->stream;
     params.data = data;
     params.frames = frames;
-    params.flags = flags;
+    params.flags = (UINT *)flags;
     params.devpos = devpos;
     params.qpcpos = qpcpos;
     UNIX_CALL(get_capture_buffer, &params);

dlls/winecoreaudio.drv/unixlib.h

@@ -99,7 +99,7 @@ struct get_capture_buffer_params
     HRESULT result;
     BYTE **data;
     UINT32 *frames;
-    DWORD *flags;
+    UINT *flags;
     UINT64 *devpos;
     UINT64 *qpcpos;
 };