diff -up libircclient-1.6/include/libircclient.h.orig libircclient-1.6/include/libircclient.h

--- libircclient-1.6/include/libircclient.h.orig	2012-04-28 17:28:29.352267217 -0300

+++ libircclient-1.6/include/libircclient.h	2012-04-28 17:28:50.662268034 -0300

@@ -131,6 +131,7 @@ typedef void (*irc_dcc_callback_t) (irc_

 #include "libirc_errors.h"

 #include "libirc_events.h"

 #include "libirc_options.h"

+#include "libirc_rfcnumeric.h"

 #undef IN_INCLUDE_LIBIRC_H