gnome-shell: update to 3.18.4.

srcpkgs/gnome-shell/template

@@ -1,6 +1,6 @@
 # Template file for 'gnome-shell'
 pkgname=gnome-shell
-version=3.18.3
+version=3.18.4
 revision=1
 build_style=gnu-configure
 configure_args="--disable-schemas-compile --disable-systemd LDFLAGS="
@@ -21,7 +21,7 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://live.gnome.org/GnomeShell"
 license="GPL-2"
 distfiles="${GNOME_SITE}/$pkgname/${version%.*}/$pkgname-$version.tar.xz"
-checksum=8517baf8606f970ebf38222411eb7563cab2ae5efbfb088954ce23705b67519b
+checksum=d959c0aae4c10b194d1fa29e89d34d73a4d35d74f384bf604d78435bf9ced5d7
 
 build_options="gir"
 if [ -z "$CROSS_BUILD" ]; then