MFC r281929:

Fix growfs(8) build with debug enabled (make -DGFSDBG).

Sponsored by: The FreeBSD Foundation

Refer newfs and growfs users to fsck_ffs instead of
fsck, the latter does not accept the referred to "-b" flag.

PR: 82720
Submitted by: David D.W. Downey

MFC r281929:

Fix growfs(8) build with debug enabled (make -DGFSDBG).

Sponsored by: The FreeBSD Foundation

Refer newfs and growfs users to fsck_ffs instead of
fsck, the latter does not accept the referred to "-b" flag.

PR: 82720
Submitted by: David D.W. Downey