the OLED driver from Adafruit, make a little bug fix.

Fork of Adafruit_GFX by DongEun Koak

Revision:
11:86909e6db3c8
Child:
13:8f03f908f22a
diff -r ddb97c9850a2 -r 86909e6db3c8 Adafruit_GFX_Config.h