gtk+3: update to 3.16.4.

srcpkgs/gtk+3/template

@@ -1,7 +1,7 @@
 # Template build file for 'gtk+3'.
 pkgname=gtk+3
-version=3.16.3
-revision=2
+version=3.16.4
+revision=1
 wrksrc="gtk+-${version}"
 build_style=gnu-configure
 configure_args="--disable-schemas-compile --enable-gtk2-dependency
@@ -13,7 +13,7 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://www.gtk.org/"
 license="LGPL-2.1"
 distfiles="${GNOME_SITE}/gtk+/${version%.*}/gtk+-${version}.tar.xz"
-checksum=2943fd4a6b02c2a9b2edd231c1d8f7a1d2f8d36996f14310d34f503dca9ebea4
+checksum=1ee5dbd7a4cb81a91eaa1b7ae64ba5a3eab6a3c0a764155583ab96524590fc8e
 
 hostmakedepends="automake gettext-devel libtool pkg-config
  glib-devel gtk-doc gobject-introspection gtk-update-icon-cache