add tone_stream to default compile

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7041 d0543943-73ff-0310-b7d9-9358b9ac24b2

build/modules.conf.in

@@ -45,6 +45,7 @@ formats/mod_native_file
 formats/mod_sndfile
 #formats/mod_shout
 formats/mod_local_stream
+formats/mod_tone_stream
 #languages/mod_python
 languages/mod_spidermonkey
 languages/mod_spidermonkey_teletone