Fix closures in creation methods
Fix closures in creation methods

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