filename_lookup(): audit_inode() argument is always 0

We hadn't been passing LOOKUP_PARENT in flags to that thing
since filename_parentat() had been split off back in 2015.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/namei.c

@@ -2350,7 +2350,7 @@ int filename_lookup(int dfd, struct filename *name, unsigned flags,
 		retval = path_lookupat(&nd, flags | LOOKUP_REVAL, path);
 
 	if (likely(!retval))
-		audit_inode(name, path->dentry, flags & LOOKUP_PARENT);
+		audit_inode(name, path->dentry, 0);
 	restore_nameidata();
 	putname(name);
 	return retval;