e2fsck: remove unused variable in check_block_bitmap()

check_block_bitmap() calculates the block number of superblock in the current
block group but it's not used.

Signed-off-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
1 file changed