etc/kamailio.cfg: fix typo

etc/kamailio.cfg

@@ -429,7 +429,7 @@ modparam("rtpengine", "rtpengine_sock", "udp:127.0.0.1:2223")
 #!else
 # ----- rtpproxy params -----
 modparam("rtpproxy", "rtpproxy_sock", "udp:127.0.0.1:7722")
-#!endit
+#!endif
 # ----- nathelper params -----
 modparam("nathelper", "natping_interval", 30)
 modparam("nathelper", "ping_nated_only", 1)