build: Depend on clutter 1.4.0
build: Depend on clutter 1.4.0

Instead of depending on a development version, clutter-gst 1.4.0 should
depend on clutter 1.4.0.

skinkie/clutter-gst,ystreet/clutter-gst,ystreet/clutter-gst,lubosz/clutter-gst,lubosz/clutter-gst,ystreet/clutter-gst,lubosz/clutter-gst,skinkie/clutter-gst,GNOME/clutter-gst,skinkie/clutter-gst,GNOME/clutter-gst,ystreet/clutter-gst,GNOME/clutter-gst,GNOME/clutter-gst