adafruit learning system Trinket - AVRdude Long Way Configuration

A slightly different configuration file is needed for Mac:
avrdude.conf (Mac version)
http://adafru.it/cEx
The Long Way
If you want to update your avrdude.conf by hand, its not too hard.
Open up that exact file in your favorite text editor
and find the following text
#------------------------------------------------------------
# ATtiny85
#------------------------------------------------------------
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