Default AppFunction to not hanging up main session automatically.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8788 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/languages/mod_mono_managed/Loader.cs

@@ -227,6 +227,7 @@ namespace FreeSWITCH
             if (fType == null) return false;
 
             using (var session = new Native.MonoSession(new Native.SWIGTYPE_p_switch_core_session(sessionHandle, false))) {
+                session.setAutoHangup(false);
                 try {
                     var f = (AppFunction)Activator.CreateInstance(fType);
                     f.RunInternal(session, args);