cairo: Fix enum bindings
cairo: Fix enum bindings

spidermonkdust/vala,Jc2k/vala,jessevdk/vala,xdave/pvala,tjol/vala-tjol,rvu95/vala,themiwi/vala,tjol/vala-tjol,GNOME/vala,rvu95/vala,Jc2k/vala,playya/vala,playya/vala,phako/vala,lovebug356/vala,jessevdk/vala,jessevdk/vala,phako/vala,kamanashisroy/aroop,GNOME/vala,Distrotech/vala,playya/vala,frida/vala,severinh/vala,severinh/vala,spidermonkdust/vala,frida/vala,flobrosch/vala-fixes,themiwi/vala,kamanashisroy/aroop,rvu95/vala,flobrosch/vala-fixes,frida/vala,Distrotech/vala,frida/vala,GNOME/vala,frida/vala,Distrotech/vala,flobrosch/vala-fixes,spidermonkdust/vala,tjol/vala-tjol,GNOME/vala,kamanashisroy/aroop,severinh/vala,lovebug356/vala,themiwi/vala