Add system-wide settings to backup array

PKGBUILD

-# Maintainer:  Bartłomiej Piotrowski <nospam@bpiotrowski.pl>
+# Maintainer: Balló György <ballogyor+arch at gmail dot com>
+# Contributor:  Bartłomiej Piotrowski <nospam@bpiotrowski.pl>
 # Contributor: Angel 'angvp' Velasquez <angvp[at]archlinux.com.ve> 
 # Contributor: Geoffroy Carrier <geoffroy.carrier@koon.fr>
 
 pkgname=lxlauncher
 pkgver=0.2.2
-pkgrel=4
+pkgrel=5
 pkgdesc='Open source clone of the Asus launcher for EeePC'
 arch=('i686' 'x86_64')
 license=('GPL2')
@@ -12,7 +13,8 @@ url='http://lxde.org/'
 groups=('lxde')
 depends=('gtk2' 'startup-notification' 'lxmenu-data' 'menu-cache')
 makedepends=('intltool')
-source=(http://downloads.sourceforge.net/sourceforge/lxde/$pkgname-$pkgver.tar.gz
+backup=('etc/xdg/lxlauncher/gtkrc' 'etc/xdg/lxlauncher/settings.conf')
+source=(http://downloads.sourceforge.net/lxde/$pkgname-$pkgver.tar.gz
         fix-empty-launcher.patch)
 md5sums=('16df627447838b170a72cc3a9ee21497'
          '4dd715f9cccf04ef87c662cee1dcb798')