Call glib_init from the gobject constructor
Call glib_init from the gobject constructor

We are using quarks in the gobject constructor, among other things,
so we need to ensure that glib is being initialized first.

https://bugzilla.gnome.org/show_bug.cgi?id=756139

mzabaluev/glib,johne53/MB3Glib,cention-sany/glib,johne53/MB3Glib,Distrotech/glib,endlessm/glib,endlessm/glib,cention-sany/glib,mzabaluev/glib,mzabaluev/glib,johne53/MB3Glib,ieei/glib,johne53/MB3Glib,endlessm/glib,ieei/glib,mzabaluev/glib,cention-sany/glib,ieei/glib,Distrotech/glib,cention-sany/glib,endlessm/glib,MathieuDuponchelle/glib,johne53/MB3Glib,endlessm/glib,johne53/MB3Glib,ieei/glib,mzabaluev/glib,MathieuDuponchelle/glib,Distrotech/glib,MathieuDuponchelle/glib,Distrotech/glib,MathieuDuponchelle/glib,Distrotech/glib,ieei/glib,cention-sany/glib,MathieuDuponchelle/glib