Fix memory management with inferred generic type arguments
Fix memory management with inferred generic type arguments

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