lightdm: update to 1.8.4.

srcpkgs/lightdm/template

@@ -1,7 +1,7 @@
 # Template file for 'lightdm'
 pkgname=lightdm
-version=1.8.1
-revision=3
+version=1.8.4
+revision=1
 build_style=gnu-configure
 configure_args="--with-greeter-session=lightdm-gtk-greeter
  --with-greeter-user=lightdm --disable-static --disable-tests"
@@ -10,7 +10,7 @@ maintainer="Juan RP <xtraeme@gmail.com>"
 license="GPL-3, LGPL-3"
 homepage="https://launchpad.net/lightdm"
 distfiles="https://launchpad.net/lightdm/${version%.*}/$version/+download/$pkgname-$version.tar.xz"
-checksum=e749ea72ac2517f592a8dfcd8bbdf7aba6729cb75c569c03347751d87f99305a
+checksum=92242d397628256c237dc5d66ac08a85207f4a6ddcc2e5c485ccb4b0b253cc56
 long_desc="
  An X display manager that:
   * Has a lightweight codebase