Fix build with --enable-installed-tests
Fix build with --enable-installed-tests

Space, the ultimate frontier...and the breaker of Makefiles.

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