$NetBSD: patch-ac,v 1.2 2014/05/27 11:45:23 prlw1 Exp $

Look for WIFEXITED and WEXITSTATUS in sys/wait.h
https://bugzilla.gnome.org/show_bug.cgi?id=681328
commit 7b3e8f63eaa055fda49d48178e53b0ad2ae513ce

--- src/core/delete.c.orig	2011-11-10 14:14:34.000000000 +0000
+++ src/core/delete.c
@@ -32,11 +32,11 @@
 #include "workspace.h"
 
 #include <sys/types.h>
+#include <sys/wait.h>
 #include <signal.h>
 #include <unistd.h>
 #include <errno.h>
 #include <string.h>
-#include <stdlib.h>
 #include <stdio.h>
 
 static void meta_window_present_delete_dialog (MetaWindow *window,