libubox: update to latest version, adds some more jshn performance improvements and fixes

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

SVN-Revision: 38983

package/libs/libubox/Makefile

@@ -1,13 +1,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libubox
-PKG_VERSION:=2013-11-19-3
+PKG_VERSION:=2013-12-02
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=git://nbd.name/luci2/libubox.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=f100acef37bd562218b25d1a9fbe1ece1ef57438
+PKG_SOURCE_VERSION:=318d682d29a8974aa53bd7dc523f1514eb0eddb9
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_MD5SUM:=
 CMAKE_INSTALL:=1