1. error C2143 in powder.c

Put
float GEL_SCALE = 1.0f;
just after
float pGravX, pGravY, pGravD;

And this problem is solved.

2. error C2036 in luaconsole.c

Modify all (void*) into (*), is the type of the variable following.
For example,
tempinteger = *((int*)(((void*)&parts[i])+offset));
is modified into
tempinteger = *((int*)(((particle*)&parts[i])+offset));

And this problem is solved.