Add version attribute where maintainers |= nckx

This will probably be mandatory soon, and is a step in the right
direction. Removes the deprecated meta.version, and move some meta
sections to the end of the file where I should have put them in
the first place.

pkgs/tools/security/eid-mw/default.nix

@@ -1,9 +1,9 @@
 { stdenv, fetchFromGitHub, autoreconfHook, gtk3, nssTools, pcsclite
 , pkgconfig }:
 
-let version = "4.1.13"; in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "eid-mw-${version}";
+  version = "4.1.13";
 
   src = fetchFromGitHub {
     sha256 = "1fkazhw6gs191w789fnp6mwnxrx9p38b3kh5bngb1ir0zhkgghkq";
@@ -35,7 +35,6 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    inherit version;
     description = "Belgian electronic identity card (eID) middleware";
     homepage = http://eid.belgium.be/en/using_your_eid/installing_the_eid_software/linux/;
     license = licenses.lgpl3;