add mod_skinny

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16866 d0543943-73ff-0310-b7d9-9358b9ac24b2

build/modules.conf.in

@@ -52,6 +52,7 @@ endpoints/mod_sofia
 endpoints/mod_loopback
 #endpoints/mod_alsa
 #endpoints/mod_opal
+#endpoints/mod_skinny
 #endpoints/mod_skypiax
 #endpoints/mod_h323
 #../../libs/openzap/mod_openzap