fix lua53Packages.lua

pkgs/development/interpreters/lua-5/default.nix

@@ -15,11 +15,10 @@ let
 
 in rec {
 
-  lua5_3 = (callPackage ./interpreter.nix {
+  lua5_3 = callPackage ./interpreter.nix {
     sourceVersion = { major = "5"; minor = "3"; patch = "5"; };
     hash = "0c2eed3f960446e1a3e4b9a1ca2f3ff893b6ce41942cf54d5dd59ab4b3b058ac";
     patches = lib.optionals stdenv.isDarwin [ ./5.2.darwin.patch ] ;
-  }).overrideAttrs( oa: {
     postConfigure = lib.optionalString (!stdenv.isDarwin) ''
       cat ${./lua-5.3-dso.make} >> src/Makefile
       sed -e 's/ALL_T *= */& $(LUA_SO)/' -i src/Makefile
@@ -28,7 +27,7 @@ in rec {
     postBuild = stdenv.lib.optionalString (!stdenv.isDarwin) ''
       ( cd src; make $makeFlags "''${makeFlagsArray[@]}" liblua.so )
     '';
-  });
+  };
 
   lua5_3_compat = lua5_3.override({
     compat = true;