adafruit/Adafruit-LED-Backpack-Library — pull request #3 by christianpatterson (2012-08-18 23:35:59+00:00)
Title: Adafruit-GFX-Library - Possible solution for Adafruit_GFX constructor-related link issue

Invoke the Adafruit_GFX constructor from the member initialization
list so that the arguments can be passed.