message: fix http upload initialization (fix
diff: @@ -43,6 +43,10 @@ jsxc.xmpp.httpUpload.init = function(o) {
  return;
  }
  + if (!jsxc.xmpp.conn) {
  + return;
  + }
  +
  var caps = jsxc.xmpp.conn.caps;
  var domain = jsxc.xmpp.conn.domain;
  