Convert HACCEL to a void*.

include/user.h

diff --git a/include/user.h b/include/user.h
index 94eb5af..eb5588f 100644
--- a/include/user.h
+++ b/include/user.h
@@ -141,4 +141,8 @@
 
 extern DWORD USER16_AlertableWait;
 
+/* HANDLE16 <-> HANDLE conversions */
+#define HACCEL_32(h16)  ((HACCEL)(ULONG_PTR)(h16))
+#define HACCEL_16(h32)  (LOWORD(h32))
+
 #endif  /* __WINE_USER_H */

include/windef.h

diff --git a/include/windef.h b/include/windef.h
index 361119f..07bc617 100644
--- a/include/windef.h
+++ b/include/windef.h
@@ -71,7 +71,7 @@
 /* Handle types that exist both in Win16 and Win32. */
 
 typedef int HFILE;
-DECLARE_OLD_HANDLE(HACCEL);
+DECLARE_HANDLE(HACCEL);
 DECLARE_OLD_HANDLE(HBITMAP);
 DECLARE_OLD_HANDLE(HBRUSH);
 DECLARE_HANDLE(HCOLORSPACE);