ubus: update to the latest version, fixes netifd related crashes on ubus calls during reload

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 41337

package/system/ubus/Makefile

 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ubus
-PKG_VERSION:=2014-05-06
+PKG_VERSION:=2014-05-24
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=git://nbd.name/luci2/ubus.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=9fda19140e65457d967ff6fe424e420f656c06c9
+PKG_SOURCE_VERSION:=3869e0ca0774e8f17597db5b60bee97d21b5b1fa
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_MD5SUM:=
 CMAKE_INSTALL:=1