Merge remote-tracking branch 'remotes/berrange/tags/qcrypto-fixes-20151118-1' into...

Pull qcrypto fixes 2015/11/18 v1

# gpg: Signature made Wed 18 Nov 2015 15:44:07 GMT using RSA key ID 15104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>"

* remotes/berrange/tags/qcrypto-fixes-20151118-1:
  crypto: avoid passing NULL to access() syscall
  crypto: fix leaks in TLS x509 helper functions
  crypto: fix mistaken setting of Error in success code path
  crypto: fix leak of gnutls_dh_params_t data on credential unload

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