[Bf-python] Python 2.5 deprication warnings

[Campbell Barton]

Compiling with Python2.5 raises these errors with many of the python/C 
files.

Curve.c:250: warning: 'intargfunc' is deprecated
Curve.c:251: warning: 'intintargfunc' is deprecated

After quite a bit of googling, no hints as to what they are replaced with.

-- 
Campbell J Barton

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