$NetBSD: patch-ae,v 1.2 2008/02/04 14:34:10 obache Exp $

--- unify.c.orig	2008-02-04 13:36:21.000000000 +0000
+++ unify.c
@@ -38,6 +38,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <assert.h>
+#if HAVE_STRING_H
+#include <string.h>
+#endif
 
 typedef struct {
 	char* input1;	/* if input2 is null, convert input1 to output */