1 files changed, 3 insertions, 1 deletions

diff --git a/openbsd-compat/bsd-cygwin_util.h b/openbsd-compat/bsd-cygwin_util.h
index e2d4b4dae..7879501e0 100644
--- a/openbsd-compat/bsd-cygwin_util.h
+++ b/openbsd-compat/bsd-cygwin_util.h
@@ -13,13 +13,15 @@
  * binary mode on Windows systems.
  */
 
-/* $Id: bsd-cygwin_util.h,v 1.3 2001/02/18 01:30:56 djm Exp $ */
+/* $Id: bsd-cygwin_util.h,v 1.4 2001/04/13 14:28:43 djm Exp $ */
 
 #ifndef _BSD_CYGWIN_UTIL_H
 #define _BSD_CYGWIN_UTIL_H
 
 #ifdef HAVE_CYGWIN
 
+#include <io.h>
+
 int binary_open(const char *filename, int flags, ...);
 int binary_pipe(int fd[2]);
 int check_nt_auth(int pwd_authenticated, uid_t uid);