libubox: update to the latest version, adds a key/value store implementation and fixes an uloop issue

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

SVN-Revision: 40570

package/libs/libubox/Makefile

@@ -1,13 +1,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libubox
-PKG_VERSION:=2014-03-18
+PKG_VERSION:=2014-04-26
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=http://git.openwrt.org/project/libubox.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=4f44401ae8d23465261cef80b87630ffccd5a864
+PKG_SOURCE_VERSION:=73a88451ddcc58ba1217dea22fee3eb5b20cf79b
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_MD5SUM:=
 CMAKE_INSTALL:=1