Merge remote-tracking branch 'remotes/berrange/tags/pull-qcrypto-20170905-1' into...

Merge QEMU crypto 2017/09/05 v1

# gpg: Signature made Tue 05 Sep 2017 10:28:17 BST
# 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-20170905-1:
  crypto: fix test cert generation to not use SHA1 algorithm
  tests: fix incorrect size_t format in benchmark-crypto

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