$NetBSD: patch-src_zm_signal_h,v 1.2 2013/03/24 16:47:47 joerg Exp $

Don't include <execinfo.h> for lack of portability.

--- src/zm_signal.h.orig	2008-07-25 09:33:24.000000000 +0000
+++ src/zm_signal.h
@@ -21,7 +21,6 @@
 #define ZM_SIGNAL_H
 
 #include <signal.h>
-#include <execinfo.h>
 
 #include "zm.h"
 
