$OpenBSD: patch-scm_scmmain_c,v 1.2 2001/02/03 20:42:47 espie Exp $
--- scmmain.c.orig	Tue Jan 30 14:28:32 2001
+++ scmmain.c	Tue Jan 30 14:29:35 2001
@@ -45,6 +45,9 @@
 #include "scm.h"
 #include "patchlvl.h"
 
+#ifdef __OpenBSD__
+# include <unistd.h>
+#endif
 #ifndef GENERIC_NAME
 # define GENERIC_NAME "scm"
 #endif