[master] 3fedf4e Old but tiny patch I found in my mailbox one late summer morning

[Poul-Henning Kamp]

commit 3fedf4ef1a36ae77db2419c083b67f7396332fec
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Wed Oct 8 07:52:34 2014 +0000

    Old but tiny patch I found in my mailbox one late summer morning
    
    Submitted by: Martin Clausen <martclau at gmail.com>

diff --git a/include/vend.h b/include/vend.h
index d27b533..7bd5aaa 100644
--- a/include/vend.h
+++ b/include/vend.h
@@ -30,6 +30,7 @@
  */
 
 #ifndef VEND_H_INCLUDED
+#define VEND_H_INCLUDED
 
 /* Alignment-agnostic encode/decode bytestream to/from little/big endian. */