fs/namei.c:reserve_stack(): tidy up the call of try_to_unlazy()

!foo() != 0 is a strange way to spell !foo(); fallout from
"fs: make unlazy_walk() error handling consistent"...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2022-01-07 12:20:37 -05:00
commit e5ca024e16