* prepare next ABI via #if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
* add new pid_t ExecFork(std::set<int> KeepFDs)
* Avoid flickering when "apt-get -o DpkgPM::Progress-Fancy=1" is use
* prepare next ABI via #if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
* add new pid_t ExecFork(std::set<int> KeepFDs)
* Avoid flickering when "apt-get -o DpkgPM::Progress-Fancy=1" is use