$NetBSD: patch-src_FbTk_TextBox.cc,v 1.1 2011/11/25 22:25:31 joerg Exp $

--- src/FbTk/TextBox.cc.orig	2011-11-25 17:42:54.000000000 +0000
+++ src/FbTk/TextBox.cc
@@ -32,6 +32,7 @@
 #else
   #include <ctype.h>
 #endif
+#include <cstdlib>
 #include <X11/keysym.h>
 #include <X11/Xutil.h>