Fix compilation of the Cairo backend
Fix compilation of the Cairo backend

nzjrs/pinpoint,danigm/pinpoint,potofcoffee/pinpoint,tyll/pinpoint,bpeel/pinpoint,nekohayo/pinpoint,tyll/pinpoint,michaelgwood/pinpoint,danigm/pinpoint,nekohayo/pinpoint,robclark/pinpoint,potofcoffee/pinpoint,bpeel/pinpoint,michaelgwood/pinpoint,robclark/pinpoint,GNOME/pinpoint,nzjrs/pinpoint,robclark/pinpoint,GNOME/pinpoint