atomic_open(): no need to pass struct open_flags anymore

argument had been unused since 1643b43fbd (lookup_open(): lift the
"fallback to !O_CREAT" logics from atomic_open()) back in 2016

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-03-11 08:07:53 -04:00
commit d489cf9a3e