girparser: Fix setting ownership for parameters.
girparser: Fix setting ownership for parameters.

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