Merge pull request #168921 from risicle/ris-re2c-passthru-tests

re2c: add some key reverse dependencies to passthru.tests

pkgs/development/tools/parsing/re2c/default.nix

···
 , autoreconfHook
 , nix-update-script
 , python3
+
+# for passthru.tests
+, ninja
+, php
+, spamassassin
 }:
 
 stdenv.mkDerivation rec {
···
   passthru = {
     updateScript = nix-update-script {
       attrPath = pname;
+    };
+    tests = {
+      inherit ninja php spamassassin;
     };
   };