build: Bump up the GLib dependency
build: Bump up the GLib dependency

We need the new macros for declaring private instance data.

djdeath/clutter,Distrotech/clutter,jigpu/clutter,Distrotech/clutter,Distrotech/clutter,ebassi/clutter,djdeath/clutter,ebassi/clutter,djdeath/clutter,GNOME/clutter,Distrotech/clutter,Distrotech/clutter,GNOME/clutter,GNOME/clutter,jigpu/clutter,jigpu/clutter,GNOME/clutter,djdeath/clutter,Distrotech/clutter,djdeath/clutter,GNOME/clutter,jigpu/clutter,ebassi/clutter,ebassi/clutter,jigpu/clutter,djdeath/clutter,jigpu/clutter,ebassi/clutter