$NetBSD$

--- src/core/delete.c.orig	2010-01-26 11:11:27.000000000 +0000
+++ src/core/delete.c
@@ -38,6 +38,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <sys/wait.h>
 
 static void meta_window_present_delete_dialog (MetaWindow *window,
                                                guint32     timestamp);
