fuse: fix lock annotations

Sparse doesn't understand lock annotations of the form
__releases(&foo->lock).  Change them to __releases(foo->lock).  Same
for __acquires().

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>

diff --cc fs/fuse/dev.c
Simple merge

diff --cc fs/fuse/file.c
Simple merge