Bugfix for https://github.com/happyworm/jPlayer/issues/197
Bugfix for https://github.com/happyworm/jPlayer/issues/197

The stream was waiting for the buffer to sync up, but a stream never has a 'end' value.

With the 'if' I feel confident that it will not affect normal mp4 playing.

SBSRadio/jPlayer,SBSRadio/jPlayer