include: Change some DWORD to DWORD_PTR in msacmdrv.h.

include/msacmdrv.h

@@ -100,11 +100,11 @@ typedef struct _ACMDRVSTREAMINSTANCE
   PWAVEFORMATEX   pwfxSrc;
   PWAVEFORMATEX   pwfxDst;
   PWAVEFILTER     pwfltr;
-  DWORD           dwCallback;
-  DWORD           dwInstance;
+  DWORD_PTR       dwCallback;
+  DWORD_PTR       dwInstance;
   DWORD           fdwOpen;
   DWORD           fdwDriver;
-  DWORD           dwDriver;
+  DWORD_PTR       dwDriver;
   HACMSTREAM    has;
 } ACMDRVSTREAMINSTANCE, *PACMDRVSTREAMINSTANCE;
 
@@ -112,24 +112,24 @@ typedef struct _ACMDRVSTREAMHEADER *PACMDRVSTREAMHEADER;
 typedef struct _ACMDRVSTREAMHEADER {
   DWORD                cbStruct;
   DWORD                fdwStatus;
-  DWORD  dwUser;
+  DWORD_PTR            dwUser;
   LPBYTE               pbSrc;
   DWORD                cbSrcLength;
   DWORD                cbSrcLengthUsed;
-  DWORD  dwSrcUser;
+  DWORD_PTR            dwSrcUser;
   LPBYTE               pbDst;
   DWORD                cbDstLength;
   DWORD                cbDstLengthUsed;
-  DWORD  dwDstUser;
+  DWORD_PTR            dwDstUser;
 
   DWORD                fdwConvert;
   PACMDRVSTREAMHEADER *padshNext;
   DWORD                fdwDriver;
-  DWORD dwDriver;
+  DWORD_PTR            dwDriver;
 
   /* Internal fields for ACM */
   DWORD                fdwPrepared;
-  DWORD  dwPrepared;
+  DWORD_PTR            dwPrepared;
   LPBYTE               pbPreparedSrc;
   DWORD                cbPreparedSrcLength;
   LPBYTE               pbPreparedDst;