qxl: build fix for 2.4
# gpg: Signature made Wed Jul 22 15:55:00 2015 BST using DSA key ID
F43F0992
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>"
# gpg: aka "Marc-Andre Lureau <marcandre.lureau@gmail.com>"
# gpg: aka "Marc-Andre Lureau <marc-andre.lureau@nokia.com>"
# gpg: aka "Marc-André Lureau <marc-andre.lureau@nokia.com>"
# gpg: aka "Marc-André Lureau (elmarco) <marcandre.lureau@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 7346 2483 9404 4E20 ABFF 7D48 D864 9487 F43F 0992
* remotes/elmarco/tags/for-upstream:
qxl: Fix new function name for spice-server library
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>