$OpenBSD: patch-compat_c,v 1.1 2016/03/17 21:14:46 naddy Exp $
--- compat.c.orig	Tue Jan 21 14:36:26 1992
+++ compat.c	Thu Mar 17 22:11:08 2016
@@ -1,5 +1,6 @@
 /* test the conflicts between options */
 #include <stdio.h>
+#include <stdlib.h>
 
 extern int FILENAMEONLY, APPROX, PAT_FILE, COUNT, INVERSE, BESTMATCH;
 extern FILEOUT;
