Change SD music for Halloween and Hoggywood themes (old tracks) Rationale: - Halloween: hell music is the logical continuation, default SD music just ruins the atmosphere - Hoggywood: default SD music fits better here; the hell music was historically chosen when there wasn't a generic music yet

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

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