Remove parachute early if hog is inside land Fixes a bug: When you used parachute right after using a parachute to dig inside land, you might become stuck. Reported here: https://hedgewars.org/node/9035

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

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