perlPackages.Crypt{Blowfish,DES,IDEA}: Use correct license

Recent commit 59356f11c1f ("perlPackages: Ensure all packages have a
license", 2022-08-22) added a license field to Perl packages where the
license was missing. The above mentioned packages got assigned
`unfreeRedistributable` license, which is not precise and makes all
packages depending on them unbuildable without `NIXPKGS_ALLOW_UNFREE`.

The packages actually have a license which SPDX calls
BSD-4-Clause-Shortened (https://spdx.org/licenses/BSD-4-Clause-Shortened.html).
In this commit, we add this license to the list of allowed licenses
and change the license field of the mentioned packages.

Closes #188103

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/licenses.nix b/lib/licenses.nix
index a376a681d58..a4dc15c1a79 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -148,6 +148,11 @@ in mkLicense lset) ({
     fullName = ''BSD 4-clause "Original" or "Old" License'';
   };
 
+  bsdOriginalShortened = {
+    spdxId = "BSD-4-Clause-Shortened";
+    fullName = "BSD 4 Clause Shortened";
+  };
+
   bsdOriginalUC = {
     spdxId = "BSD-4-Clause-UC";
     fullName = "BSD 4-Clause University of California-Specific";