demux:mkv: use at() instead of array index
commit913e642c75e8bd9c2ec9486c2f017ddfe8b96e76
authorSteve Lhomme <robux4@videolabs.io>
Wed, 12 Jul 2017 13:10:13 +0000 (12 15:10 +0200)
committerJean-Baptiste Kempf <jb@videolan.org>
Thu, 13 Jul 2017 09:09:50 +0000 (13 11:09 +0200)
treec5c5254d9488b0f06fe0041255d2e56fcd0bfa98
parenteded43778efb5cf590d55ba231ccfa973ad2cfca
demux:mkv: use at() instead of array index

The latter seems to do a copy (needs an empty constructor).

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
modules/demux/mkv/matroska_segment.cpp