lxde: added systemd build option (off).

srcpkgs/lxde/template

@@ -1,7 +1,7 @@
 # Template file for 'lxde'
 pkgname=lxde
 version=0.5.0
-revision=7
+revision=8
 build_style=meta
 depends="
 	openbox
@@ -21,9 +21,7 @@ depends="
 	gpicview
 	xdg-utils
 	xdg-user-dirs
-	ConsoleKit
-	upower0
-	udisks"
+	$(vopt_if systemd 'upower' 'ConsoleKit upower0')"
 short_desc="The LXDE meta-package"
 homepage="http://lxde.org"
 license="GPL-2"