Ensure that the CoglPango GIR is built against the correct libcogl
Ensure that the CoglPango GIR is built against the correct libcogl

If we don't specify the dependency we may end up linking against a stale
libcogl.la, or, worse, a globally installed one.

Reviewed-by: Neil Roberts <822ec91a7ef82248fd36162ca8ac3283eba70848@linux.intel.com>

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