stream_filter/httplive.c: Relax estimated download duration check.

If downloading of a segment takes longer then its duration, then print
a warning instead of terminating playback.

modules/stream_filter/httplive.c

@@ -1171,11 +1171,8 @@ static int Download(stream_t *s, hls_stream_t *hls, segment_t *segment, int *cur
         int estimated = (int)(size / s->p_sys->bandwidth);
         if (estimated > segment->duration)
         {
-            msg_Err(s, "cannot quarantee smooth playback");
             msg_Warn(s,"downloading of segment %d takes %ds, which is longer then its playback (%ds)",
                         segment->sequence, estimated, segment->duration);
-            vlc_mutex_unlock(&segment->lock);
-            return VLC_EGENERIC;
         }
     }