raise openfiles limit (max fd per process) on staff group above default; ok miod millert

src/etc/login.conf

@@ -1,4 +1,4 @@
-# $OpenBSD: login.conf,v 1.15 2004/05/17 19:07:57 drahn Exp $
+# $OpenBSD: login.conf,v 1.16 2004/08/23 22:55:15 pvalchev Exp $
 
 #
 # Sample login.conf file.  See login.conf(5) for details.
@@ -73,6 +73,7 @@ staff:\
 	:datasize-max=infinity:\
 	:maxproc-max=256:\
 	:maxproc-cur=128:\
+	:openfiles-cur=128:\
 	:ignorenologin:\
 	:requirehome@:\
 	:tc=default: