Function unwind_stack

FluidNC/src/Flowcontrol.cpp:96–104

    return true;
}
void unwind_stack() {
    if (context.empty()) {
        return;
    }
    JobSource* file = context.top().file;
    while (!context.empty() && context.top().file == file) {
        stack_pull();
    }
}
void flowcontrol_init(void) {
    while (!context.empty()) {
        stack_pull();