licensor: Fix test in 2020

(cherry picked from commit c8299d69b03c470f80931bab77f16ce8f1889db3)

pkgs/tools/misc/licensor/default.nix

···
-{ lib, rustPlatform, fetchFromGitHub }:
+{ lib, rustPlatform, fetchFromGitHub, fetchpatch }:
 
 rustPlatform.buildRustPackage rec {
   pname = "licensor";
···
     rev = "v${version}";
     sha256 = "0zr8hcq7crmhrdhwcclc0nap68wvg5kqn5l93ha0vn9xgjy8z11p";
   };
+
+  patches = [ (fetchpatch {
+    url = "https://github.com/raftario/licensor/commit/77ae1ea6d9b6de999ee7590d9dbd3c8465d70bb6.patch";
+    sha256 = "0kfyg06wa2v7swm7hs9kkazjg34mircd4nm4qmljyzjh2yh8icg3";
+  })];
 
   cargoSha256 = "042dplm0cdxkv73m5qlkc61h0x9fpzxn2b0c8gjx2hwvigcia139";