Update playhead.js

lib/media/playhead.js

@@ -386,7 +386,7 @@ shaka.media.MediaSourcePlayhead = class {
       // playhead is outside of the seekrange.  Move playhead to catch up.
       const targetTime = this.reposition_(currentTime);
       shaka.log.info('Jumping by ' + (targetTime - currentTime) +
-        ' seconds to catch up with the seek range.');
+                     ' seconds to catch up with the seek range.');
       this.mediaElement_.currentTime = targetTime;
     }
   }