gir.loader: add GError** error parameter to functions if they declare throws="1"
gir.loader: add GError** error parameter to functions if they declare throws="1"

erg/factor,erg/factor,erg/factor,erg/factor,mcandre/factor,mcandre/factor,mcandre/factor,mcandre/factor,mcandre/factor,erg/factor,erg/factor,erg/factor,mcandre/factor,mcandre/factor