$OpenBSD: patch-src_appendzip_cpp,v 1.1 2018/11/11 17:30:58 naddy Exp $

Index: src/appendzip.cpp
--- src/appendzip.cpp.orig
+++ src/appendzip.cpp
@@ -5,6 +5,8 @@
 #include "zipios++/ziphead.h"
 #include "zipios++/zipheadio.h"
 
+#include <stdlib.h>
+
 using namespace std ;
 using namespace zipios ;
 
