Fix memory leak in _pygi_argument_to_array()
Fix memory leak in _pygi_argument_to_array()

Length arg and type info need to be unref'ed.

https://bugzilla.gnome.org/show_bug.cgi?id=685082

GNOME/pygobject,pexip/pygobject,davibe/pygobject,GNOME/pygobject,davibe/pygobject,pexip/pygobject,davibe/pygobject,sfeltman/pygobject,sfeltman/pygobject,davibe/pygobject,GNOME/pygobject,pexip/pygobject,sfeltman/pygobject