This patch updates the `heatseeker` package from version 1.4.0 to
version 1.5.1.
I have tested this change per nixpkgs manual section 11.1 ("Making
patches").
This reverts commit f61176c5396ed513f3d399f73f38ab78a066667f, reversing
changes made to a27ca029ee2b39e04d7d2a516a7228f4b62067fb.
Conflicts:
pkgs/development/libraries/ncurses/default.nix