Apply by doing:
	cd /usr/src
	patch -p0 < 035_kernresource.patch
And then rebuild your kernel.

Index: sys/kern/kern_resource.c
===================================================================
RCS file: /cvs/src/sys/kern/kern_resource.c,v
retrieving revision 1.14
retrieving revision 1.14.2.2
diff -u -r1.14 -r1.14.2.2
--- sys/kern/kern_resource.c	27 Jun 2001 04:49:44 -0000	1.14
+++ sys/kern/kern_resource.c	6 Nov 2002 22:11:19 -0000	1.14.2.2
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_resource.c,v 1.14 2001/06/27 04:49:44 art Exp $	*/
+/*	$OpenBSD: kern_resource.c,v 1.14.2.2 2002/11/06 22:11:19 miod Exp $	*/
 /*	$NetBSD: kern_resource.c,v 1.38 1996/10/23 07:19:38 matthias Exp $	*/
 
 /*-
@@ -209,7 +209,7 @@
 	register_t *retval;
 {
 	register struct sys_setrlimit_args /* {
-		syscallarg(u_int) which;
+		syscallarg(int) which;
 		syscallarg(struct rlimit *) rlp;
 	} */ *uap = v;
 	struct rlimit alim;
@@ -321,11 +321,11 @@
 	register_t *retval;
 {
 	register struct sys_getrlimit_args /* {
-		syscallarg(u_int) which;
+		syscallarg(int) which;
 		syscallarg(struct rlimit *) rlp;
 	} */ *uap = v;
 
-	if (SCARG(uap, which) >= RLIM_NLIMITS)
+	if (SCARG(uap, which) < 0 || SCARG(uap, which) >= RLIM_NLIMITS)
 		return (EINVAL);
 	return (copyout((caddr_t)&p->p_rlimit[SCARG(uap, which)],
 	    (caddr_t)SCARG(uap, rlp), sizeof (struct rlimit)));