Mark relevant glib.IOChannel methods as METH_NOARGS
Mark relevant glib.IOChannel methods as METH_NOARGS

Additionally fix glib.IOChannel.set_close_on_unref: was marked
METH_NOARGS but actually accepted arguments.  Fixes bug #582427.

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