jfs: switch to simple_follow_link()

Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --cc fs/jfs/inode.c
Simple merge

diff --cc fs/jfs/namei.c
Simple merge

diff --cc fs/jfs/symlink.c
Simple merge