$OpenBSD: patch-lib_obstack_c,v 1.1 2009/01/07 17:51:16 jasper Exp $
--- lib/obstack.c.orig	Wed Jan  7 18:35:58 2009
+++ lib/obstack.c	Wed Jan  7 18:36:48 2009
@@ -43,6 +43,9 @@
 #endif
 #endif
 
+#if HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
 
 #ifndef ELIDE_CODE