Made mmioSetBuffer callable from 16 and 32 bit code.
diff --git a/include/mmsystem.h b/include/mmsystem.h
index a1d7e67..fde6eed 100644
--- a/include/mmsystem.h
+++ b/include/mmsystem.h
@@ -1624,7 +1624,9 @@
MMRESULT32 WINAPI mmioSetInfo32(HMMIO32,const MMIOINFO32*,UINT32);
#define mmioSetInfo WINELIB_NAME(mmioSetInfo)
-UINT16 WINAPI mmioSetBuffer(HMMIO16,LPSTR,LONG,UINT16);
+UINT16 WINAPI mmioSetBuffer16(HMMIO16,LPSTR,LONG,UINT16);
+UINT32 WINAPI mmioSetBuffer32(HMMIO32,LPSTR,LONG,UINT32);
+#define mmioSetBuffer WINELIB_NAME(mmioSetInfo)
UINT16 WINAPI mmioFlush16(HMMIO16,UINT16);
UINT32 WINAPI mmioFlush32(HMMIO32,UINT32);