libubox: update to latest git head

add a renqueue_add_first() api

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 38866

package/libs/libubox/Makefile

@@ -1,13 +1,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libubox
-PKG_VERSION:=2013-10-30
+PKG_VERSION:=2013-11-19
 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:=a34c8f6918c291275ded2b6fd9b94ac91722ded2
+PKG_SOURCE_VERSION:=bc8167eb99bc6febc96f4dab0bbce32186f30c16
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_MD5SUM:=
 CMAKE_INSTALL:=1