libcanberra: use systemd_services.

srcpkgs/libcanberra/template

@@ -1,7 +1,7 @@
 # Template build file for 'libcanberra'.
 pkgname=libcanberra
 version=0.28
-revision=4
+revision=5
 distfiles="http://0pointer.de/lennart/projects/$pkgname/$pkgname-$version.tar.gz"
 build_style=gnu_configure
 configure_args="--localstatedir=/var --enable-alsa --enable-null
@@ -23,6 +23,7 @@ long_desc="
    3. libcanberra-gtk-module: a Gtk+ module that uses libcanberra-gtk to
       trigger input feedback event sounds"
 
+systemd_services="canberra-system-bootup.service"
 gconf_schemas="libcanberra.schemas"
 subpackages="$pkgname-devel"