cogl-renderer.c: Fix includes
cogl-renderer.c: Fix includes

Only include cogl-xlib-renderer.h when XLIB support is available

Reviewed-by: Robert Bragg <12e9293ec6b30c7fa8a0926af42807e929c1684f@linux.intel.com>

Distrotech/cogl,collects/cogl,gcampax/cogl,djdeath/cogl-android,gcampax/cogl,djdeath/cogl,djdeath/cogl-android,gcampax/cogl,Distrotech/cogl,gcampax/cogl,djdeath/cogl,djdeath/cogl,djdeath/cogl-android,collects/cogl,Distrotech/cogl,Distrotech/cogl