gp2c: 0.0.12 -> 0.0.13

Also, inheriting meta attributes from pari.

pkgs/applications/science/math/pari/gp2c.nix

···
 
 stdenv.mkDerivation rec {
   pname = "gp2c";
-  version = "0.0.12";
+  version = "0.0.13";
 
   src = fetchurl {
     url = "https://pari.math.u-bordeaux.fr/pub/pari/GP2C/${pname}-${version}.tar.gz";
-    sha256 = "039ip7qkwwv46wrcdrz7y12m30kazzkjr44kqbc0h137g4wzd7zf";
+    hash = "sha256-JhN07Kc+vXbBEqlZPcootkgSqnYlYf2lpLLCzXmmnTY=";
   };
 
   buildInputs = [
···
   ];
 
   meta = with lib; {
-    description =  "A compiler to translate GP scripts to PARI programs";
     homepage = "http://pari.math.u-bordeaux.fr/";
+    description =  "A compiler to translate GP scripts to PARI programs";
     downloadPage = "http://pari.math.u-bordeaux.fr/download.html";
-    license = licenses.gpl2Plus;
-    maintainers = with maintainers; [ AndersonTorres ];
+    inherit (pari.meta) license maintainers platforms broken;
   };
 }