gdm: update to 3.28.4.

srcpkgs/gdm/template

@@ -1,7 +1,7 @@
 # Template file for 'gdm'
 pkgname=gdm
-version=3.28.3
-revision=2
+version=3.28.4
+revision=1
 build_style=gnu-configure
 configure_args="$(vopt_enable gir introspection)
  --disable-schemas-compile --disable-static --with-default-pam-config=arch
@@ -21,7 +21,7 @@ maintainer="Enno Boland <gottox@voidlinux.eu>"
 license="GPL-2.0-or-later"
 homepage="http://www.gnome.org"
 distfiles="${GNOME_SITE}/${pkgname}/${version%.*}/${pkgname}-${version}.tar.xz"
-checksum=08d962684511e5793b791ccfd9ab45b7e5676c478f259f20cf4831dfc465a189
+checksum=799f524278eb1a663c1d693589878c12ce8fad2293a66ef336e9626e1f933a3b
 conf_files="
 	/etc/gdm/custom.conf
 	/etc/pam.d/gdm-autologin