Fix some problems to compile on Linux#32

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superboum wants to merge 3 commits intoSFPC:masterfrom

superboum:case-sensitive-fs

Commits on Nov 8, 2017

Case must be respected on case sensitive filesystems, otherwise compilation fails
Quentin Dufour
committed
Fix case for ofxOsc
Quentin Dufour
committed
ofxMidi is a local addon, it shouldn't be declared in addons.make
Quentin Dufour
committed