Alexandre Julliard : include: Fix packing of the msacm structures.

<julliard at winehq.org>

svn path=/trunk/; revision=39403

reactos/include/psdk/msacm.h

@@ -25,6 +25,8 @@
 extern "C" {
 #endif /* defined(__cplusplus) */
 
+#include <pshpack1.h>
+
 #define ACMAPI              WINAPI
 
 /***********************************************************************
@@ -773,6 +775,8 @@ MMRESULT WINAPI acmStreamUnprepareHeader(
   HACMSTREAM has, PACMSTREAMHEADER pash, DWORD fdwUnprepare
 );
 
+#include <poppack.h>
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif /* defined(__cplusplus) */