Lua: Rename globals: NoPointX→NO_CURSOR, cMaxTurnTime→MAX_TURN_TIME, cMaxHogHealth→MAX_HOG_HEALTH These globals did not exist in 0.9.24, so this change is safe.

void fpcrtl_halt(int num) {
    __coverity_panic__();
}

int fpcrtl_abs(int num) {
    return num >= 0 ? num : -num;
}