Don't define ETHERTYPE_AT or ETHERTYPE_AARP if they have already been defined by...

diff --git a/sys/netatalk/at.h b/sys/netatalk/at.h
index fb7239d4f1a945ccf1d5d14fa3dde7e7efe6dfdc..9c9dceb70c0a1f003a5d9104563255f43fb66647 100644 (file)
--- a/sys/netatalk/at.h
+++ b/sys/netatalk/at.h
@@ -1,5 +1,5 @@
 /*
- * $Id: at.h,v 1.5 2005-04-28 20:50:07 bfernhomberg Exp $
+ * $Id: at.h,v 1.6 2008-12-18 17:31:31 morgana Exp $
  *
  * Copyright (c) 1990,1991 Regents of The University of Michigan.
  *
@@ -42,8 +42,12 @@
  * These should really be in some global header file, but we can't
  * count on them being there, and it's annoying to patch system files.
  */
+#ifndef ETHERTYPE_AT
 #define ETHERTYPE_AT   0x809B          /* AppleTalk protocol */
+#endif
+#ifndef ETHERTYPE_AARP
 #define ETHERTYPE_AARP 0x80F3          /* AppleTalk ARP */
+#endif
 
 #define DDP_MAXSZ      587