namei: get rid of lookup_hash()

it's a convenient helper, but we'll want to shift nameidata
down the call chain, so it won't be available there...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-04-30 12:25:18 -04:00
commit 6a9f40d610