Fix a typo in the Requires: of cogl-pango2.pc
Fix a typo in the Requires: of cogl-pango2.pc

You need to get the COGL_PANGO_PKG_REQUIRES in there, not the cogl ones.
pangocairo was missing in the list of requires because of that.

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

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