Merge remote-tracking branch 'remotes/berrange/tags/pull-qcrypto-2017-11-08-1' into...

Merge remote-tracking branch 'remotes/berrange/tags/pull-qcrypto-2017-11-08-1' into staging

Merge qcrypto 2017/11/08 v1

# gpg: Signature made Wed 08 Nov 2017 11:06:38 GMT
# gpg:                using RSA key 0xBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>"
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* remotes/berrange/tags/pull-qcrypto-2017-11-08-1:
  crypto: afalg: fix a NULL pointer dereference
  tests: Run the luks tests in test-crypto-block only if encryption is available

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>