ext4: avoid panic during forced reboot due to aborted journal

ext4: avoid panic during forced reboot due to aborted journal

Handling of aborted journal is a special code path different from
standard ext4_error() one and it can call panic() as well. Commit
4af39fc17ca4 ("ext4: avoid panic during forced reboot") forgot to update
this path so fix that omission.

Fixes: 4af39fc17ca4 ("ext4: avoid panic during forced reboot")
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 5.1