- added GCC warning -Wstrict-prototypes

- fixed bug in paste material, exposed by stricter warnings.
- removed/renamed various shadowed vars.
- removed BGE lamp.colour, only allow lamp.color attribute.

source/blender/python/generic/noise.c

@@ -174,7 +174,7 @@ static void setRndSeed(int seed)
 }
 
 /* float number in range [0, 1) using the mersenne twister rng */
-static float frand()
+static float frand(void)
 {
 	unsigned long y;