gidlparser: Fix null-terminated array parameters in delegates
gidlparser: Fix null-terminated array parameters in delegates

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