bcachefs: Fix bch2_fsck_ask_yn()

- getline() output includes a newline, without stripping that we were
   just looping

 - Make the prompt clearer

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-06-04 18:08:56 -04:00
commit 4f2c166ebe