* Ensure that the "kde" PAM module exists whn KDE is enabled.

Previously, this was only enabled in the KDM module, so if you were
  using a different display manager than KDM, stuff like getting out
  of the screensaver didn't work correctly.

svn path=/nixos/trunk/; revision=30049

modules/services/x11/desktop-managers/kde4.nix

@@ -152,6 +152,8 @@ in
     services.udisks = mkIf isKDE47 { enable = true; };
     services.upower = mkIf (isKDE47 && config.powerManagement.enable) { enable = true; };
 
+    security.pam.services = [ { name = "kde"; } ];
+
   };
 
 }