Sniper rifle training: Fix general camera weirdness - Camera bounced back and forth between shots - FollowGear was called every 20ms (way too often) - Now camera only re-centers when using sniper rifle - Camera also centers to dynamite once

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

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