tweak #aptitude color style in #solarized dark terminal

aptitude-solarized-dark-tweak.pl

# aptitude is incompatible with a terminal in solarized dark.
# So we need to tweak aptitude's color style.
# Put the following lines in `~/.aptitude/config`.
# (And use `sudo -E aptitude` instead of `sudo aptitude`.
Aptitude::UI::Styles {
  Default {
    bg default;
  };
  DepBroken {
    fg white;
    bg red;
  };
};