bcachefs: fix misplaced newline in __bch2_inode_unpacked_to_text()

before:

u64s 18 type inode_v3 0:1879048192:U32_MAX len 0 ver 0:   mode=40700
  flags= (15300000)
  journal_seq=4
  bi_size=0
  bi_sectors=0

  bi_version=0bi_atime=227064388944
  ...

after:

u64s 18 type inode_v3 0:1879048192:U32_MAX len 0 ver 0:   mode=40700
  flags= (15300000)
  journal_seq=4
  bi_size=0
  bi_sectors=0
  bi_version=0
  bi_atime=227064388944
  ...

Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>