mate: remove major-ver and minor-ver

Keep only the version atribute in derivations, with the full version
string of the package. This will make it easier to write a script for
automatic updating of the packages using the update-source-version
command from common-updater-scripts.

pkgs/desktops/mate/atril/default.nix

@@ -1,13 +1,11 @@
-{ stdenv, fetchurl, pkgconfig, intltool, gtk3, libxml2, libsecret, poppler, itstool, caja, mate-desktop, hicolor_icon_theme, wrapGAppsHook }:
+{ stdenv, fetchurl, pkgconfig, intltool, gtk3, libxml2, libsecret, poppler, itstool, hicolor_icon_theme, mate, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   name = "atril-${version}";
-  version = "${major-ver}.${minor-ver}";
-  major-ver = "1.19";
-  minor-ver = "0";
+  version = "1.19.0";
 
   src = fetchurl {
-    url = "http://pub.mate-desktop.org/releases/${major-ver}/${name}.tar.xz";
+    url = "https://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
     sha256 = "0v829yvr738y5s2knyvimcgqv351qzb0rpw5il19qc27rbzyri1r";
   };
 
@@ -23,8 +21,8 @@ stdenv.mkDerivation rec {
     libsecret
     libxml2
     poppler
-    caja
-    mate-desktop
+    mate.caja
+    mate.mate-desktop
     hicolor_icon_theme
   ];