gtk+3: update to 3.4.3.

srcpkgs/gtk+3/template

@@ -1,6 +1,6 @@
 # Template build file for 'gtk+3'.
 pkgname=gtk+3
-version=3.4.2
+version=3.4.3
 wrksrc="gtk+-${version}"
 distfiles="${GNOME_SITE}/gtk+/3.4/gtk+-$version.tar.xz"
 build_style=gnu-configure
@@ -11,7 +11,7 @@ short_desc="The GTK+ toolkit (v3)"
 maintainer="Juan RP <xtraeme@gmail.com>"
 homepage="http://www.gtk.org/"
 license="LGPL-2.1"
-checksum=b1ab72bc61434418160ff0c7edfd93c74758ed8a35e2ed3d07e3e218c2705480
+checksum=846010442a96590469cde16ed6a1fdfe09397e435165459f04d31cfa5713799f
 long_desc="
  GTK+ is a multi-platform toolkit for creating graphical user
  interfaces. Offering a complete set of widgets, GTK+ is suitable for