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/development/libraries/bobcat/default.nix

@@ -1,9 +1,9 @@
 { stdenv, fetchFromGitHub, icmake, libmilter, libX11, openssl, readline
 , utillinux, yodl }:
 
-let version = "4.00.00"; in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "bobcat-${version}";
+  version = "4.00.00";
 
   src = fetchFromGitHub {
     sha256 = "0wdb25sgw7i3jk3lbja6b4ipqfg1sncam6adg2bn8l5fcinrpwgs";
@@ -12,15 +12,6 @@ stdenv.mkDerivation {
     owner = "fbb-git";
   };
 
-  meta = with stdenv.lib; {
-    inherit version;
-    description = "Brokken's Own Base Classes And Templates";
-    homepage = https://fbb-git.github.io/bobcat/;
-    license = licenses.gpl3;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ nckx ];
-  };
-
   buildInputs = [ libmilter libX11 openssl readline utillinux ];
   nativeBuildInputs = [ icmake yodl ];
 
@@ -39,4 +30,12 @@ stdenv.mkDerivation {
   installPhase = ''
     ./build install
   '';
+
+  meta = with stdenv.lib; {
+    description = "Brokken's Own Base Classes And Templates";
+    homepage = https://fbb-git.github.io/bobcat/;
+    license = licenses.gpl3;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ nckx ];
+  };
 }