[PD-dev] -Wall

[Mathieu Bouchard]

btw i'm making efforts to "fix" warnings that i get with using "scons 
wall=1", which turns on "-Wall" in gcc.

This is so that new warnings are more easily noticed, and because unused
variables make the code more difficult to understand.

i've fixed most of them already. (except in g_*.c)

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Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju
Freelance Digital Arts Engineer, Montréal QC Canada