As reported by Jens [0], commit db7d786140 (fs/ext2: fix namespace for
variables) forgot to rename one variable expansion, resulting in the
ext2 label as set by the user to be ignored, with an empty label set.
[0] https://github.com/buildroot/buildroot/commit/db7d78614098#commitcomment-57918423
Reported-by: Jens Maus <mail@jens-maus.de>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
5ece6be60b