--- driver.c.orig	Mon Feb  1 19:14:17 1999
+++ driver.c	Wed Feb 10 01:20:42 1999
@@ -1158,7 +1158,7 @@
 kerberos_auth (socket, canonical) 
 /* authenticate to the server host using Kerberos V4 */
 int socket;		/* socket to server host */
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__OpenBSD__)
 char *canonical;	/* server name */
 #else
 const char *canonical;	/* server name */
