[gi-invoke-ng] add code to clean up when input values fail to marshal
[gi-invoke-ng] add code to clean up when input values fail to marshal

davibe/pygobject,choeger/pygobject-cmake,davibe/pygobject,pexip/pygobject,GNOME/pygobject,pexip/pygobject,choeger/pygobject-cmake,sfeltman/pygobject,thiblahute/pygobject,sfeltman/pygobject,davidmalcolm/pygobject,davidmalcolm/pygobject,MathieuDuponchelle/pygobject,GNOME/pygobject,sfeltman/pygobject,davibe/pygobject,jdahlin/pygobject,jdahlin/pygobject,davidmalcolm/pygobject,GNOME/pygobject,MathieuDuponchelle/pygobject,MathieuDuponchelle/pygobject,pexip/pygobject,thiblahute/pygobject,jdahlin/pygobject,choeger/pygobject-cmake,thiblahute/pygobject,davibe/pygobject