fixed potential bug with non-vod dash session made of a single segment
fixed potential bug with non-vod dash session made of a single segment

rbouqueau/gpac,rbouqueau/gpac,gpac/gpac,gpac/gpac,gpac/gpac,rbouqueau/gpac,gpac/gpac,gpac/gpac,gpac/gpac,rbouqueau/gpac,rbouqueau/gpac,rbouqueau/gpac,gpac/gpac,gpac/gpac,rbouqueau/gpac,rbouqueau/gpac