Fix:
error: ‘atoi’ was not declared in this scope
https://github.com/indexdata/yazproxy/pull/24
--- src/yaz-proxy-config.cpp.orig	2015-12-17 03:50:06.000000000 -0600
+++ src/yaz-proxy-config.cpp	2024-05-23 13:14:38.000000000 -0500
@@ -17,6 +17,7 @@
 */
 
 #include <ctype.h>
+#include <stdlib.h>
 
 #include <yaz/log.h>
 #include "proxyp.h"