dbus: bump to 1.4.20

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>

package/dbus/dbus.mk

@@ -3,8 +3,7 @@
 # dbus
 #
 #############################################################
-DBUS_VERSION = 1.4.16
-DBUS_SOURCE = dbus-$(DBUS_VERSION).tar.gz
+DBUS_VERSION = 1.4.20
 DBUS_SITE = http://dbus.freedesktop.org/releases/dbus/
 DBUS_INSTALL_STAGING = YES