Fix a typo, decrement rem, don't increment for single digit hex bytes.

From Henri Kemppainen

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libc/net/linkaddr.c b/src/lib/libc/net/linkaddr.c
index 5b74d98219..354067b3b5 100644
--- a/src/lib/libc/net/linkaddr.c
+++ b/src/lib/libc/net/linkaddr.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: linkaddr.c,v 1.7 2016/12/06 22:32:58 millert Exp $ */
+/*      $OpenBSD: linkaddr.c,v 1.8 2016/12/07 01:05:47 millert Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *      The Regents of the University of California.  All rights reserved.
@@ -78,7 +78,7 @@ link_ntoa(const struct sockaddr_dl *sdl)
                         if (rem < 2)
                                 break;
                         *out++ = hexlist[i];
-                        rem++;
+                        rem--;
                 }
         }
         *out = 0;