Add limits.h which will be needed after netdb.h cleanup

mail/pop3d/Makefile

@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.4 2014/09/08 22:29:04 jturner Exp $
+# $OpenBSD: Makefile,v 1.5 2015/01/17 22:14:06 jturner Exp $
 
 COMMENT =		POP3 daemon with POP3S and STARTTLS extensions
 
@@ -8,6 +8,7 @@ GH_PROJECT =		pop3d
 GH_TAGNAME =		v${VERSION}
 GH_COMMIT =		0a132f05d8f0a74ba85a4cc59b755bc20a2a34a8
 DISTNAME =		${GH_PROJECT}-${VERSION}
+REVISION =		0
 CATEGORIES =		mail
 
 MAINTAINER =		James Turner <james@calminferno.net>

mail/pop3d/patches/patch-util_c

@@ -0,0 +1,11 @@
+$OpenBSD: patch-util_c,v 1.1 2015/01/17 22:14:06 jturner Exp $
+--- util.c.orig	Sat Jan 17 17:11:47 2015
++++ util.c	Sat Jan 17 17:11:30 2015
+@@ -21,6 +21,7 @@
+ #include <err.h>
+ #include <errno.h>
+ #include <fcntl.h>
++#include <limits.h>
+ #include <netdb.h>
+ #include <stdio.h>
+ #include <stdlib.h>