Agent forwarding works

--HG--
branch : agent-client
extra : convert_revision : eb0dae4b62e243ba37a897beb7ba81a4f637d8b3

chansession.h

@@ -81,6 +81,7 @@ void cli_chansess_winchange();
 #ifdef ENABLE_CLI_NETCAT
 void cli_send_netcat_request();
 #endif
+void cli_start_send_channel_request(struct Channel *channel, unsigned char *type);
 
 void svr_chansessinitialise();
 extern const struct ChanType svrchansess;