nilfs-utils: fix typos in ChangeLog file

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
nilfs-utils: fix typos in manpages

Fix typos in man/mount.nilfs2.8 and man/nilfs-resize.8.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
nilfs-utils: fix typos in messages

Fix typos in messages of nilfs-resize command, lssu command, and
libnilfsgc.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
nilfs-utils: fix typos in source files

Fix typos in source files of mkfs.nilfs2, nilfs_cleanerd,
mount.nilfs2, nilfs-clean, include/nilfs.h, and lib/gc.c.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>