Merge pull request #231361 from trofi/zimg-dev-output

zimg: move headers to "dev" outputs (and docs to "doc")

pkgs/development/libraries/zimg/default.nix

@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "1069x49l7kh1mqcq1h3f0m5j0h832jp5x230bh4c613ymgg5kn00";
   };
 
+  outputs = [ "out" "dev" "doc" ];
+
   nativeBuildInputs = [ autoreconfHook ];
 
   enableParallelBuilding = true;