Pull in patch from 1.9.27 to fix potential infinite loop lockup.

ok pvalchev@

news/leafnode/patches/patch-checkpeerlocal_c

@@ -0,0 +1,25 @@
+$OpenBSD: patch-checkpeerlocal_c,v 1.1 2002/09/25 07:42:39 marcm Exp $
+--- checkpeerlocal.c.orig	Tue Sep 24 10:39:48 2002
++++ checkpeerlocal.c	Tue Sep 24 10:46:05 2002
+@@ -163,14 +163,15 @@ int checkpeerlocal(int sock)
+ 		mastr_delete(buf);
+ 		return -1;
+ 	    }
+-	    /* this workaround for older Solaris machines can cause OOM
+-	     * for errors that are not "buffer too small". So there.
+-	     * See Postfix' inet_addr_local.c for details.
+-	     */
+-	    mastr_resizekill(buf, mastr_size(buf) * 2);
+-	} else if ((unsigned)ifc.ifc_len < mastr_size(buf) / 2) {
++	} 
++
++	/* work around bugs in old Solaris (see Postfix'
++	 * inet_addr_local.c for details) */
++	if ((unsigned)ifc.ifc_len < mastr_size(buf) / 2) {
+ 	    break;
+ 	}
++
++	mastr_resizekill(buf, mastr_size(buf) * 2);
+     }
+ 
+     /* get addresses and netmasks */