Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6

Pull CIFS fixes from Steve French:
 "A few misc important cifs fixes, including a fix for a 4.9 regression
  in posix_acl xattr handling"

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
  CIFS: iterate over posix acl xattr entry correctly in ACL_to_cifs_posix()
  Call echo service immediately after socket reconnect
  CIFS: Fix BUG() in calc_seckey()