fuse: abort: no fc->lock needed for request ending

In fuse_abort_conn() when all requests are on private lists we no longer
need fc->lock protection.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Reviewed-by: Ashish Samant <ashish.samant@oracle.com>

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