fixed typo - missing comma in glib.option module
fixed typo - missing comma in glib.option module

* https://bugzilla.gnome.org/show_bug.cgi?id=627449

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