[xf86-video-nouveau-mir] Fix build
[mir-bzr] Jenkins autocommit: (job: UNFA-4.0-Track-mir; build no.: 198)
[mir-bzr] Jenkins autocommit: (job: UNFA-4.0-Track-mir; build no.: 199)
[mir-bzr] Jenkins autocommit: (job: UNFA-4.0-Track-mir; build no.: 200)
[unity-system-compositor-bzr] Jenkins autocommit: (job: UNFA-4.0-Track-unity-system-compositor-bzr; build no.: 17)