build: Install GIR and typelib into our prefix
build: Install GIR and typelib into our prefix

https://bugzilla.gnome.org/show_bug.cgi?id=648183

jessevdk/vte,flaxandteal/gasket-vte,pjm0616/vte,pjm0616/vte,asivokon/vte-fx,jessevdk/vte,thestinger/vte-ng,rvu95/vte,rvu95/vte,thestinger/vte-ng,rvu95/vte,saitoha/vte-sixel,asivokon/vte-fx,rvu95/vte,jessevdk/vte,asivokon/vte-fx,asivokon/vte-fx,flaxandteal/gasket-vte,flaxandteal/gasket-vte,saitoha/vte-sixel,jessevdk/vte,pjm0616/vte,flaxandteal/gasket-vte,thestinger/vte-ng,saitoha/vte-sixel