libubox: update to latest git

this adds a new helper for setting/overriding the signal handlers

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

SVN-Revision: 42917

package/libs/libubox/Makefile

@@ -1,13 +1,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libubox
-PKG_VERSION:=2014-08-04
+PKG_VERSION:=2014-10-14
 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:=dffbc09baf71b294185a36048166d00066d433b5
+PKG_SOURCE_VERSION:=464e05e33b4c086be0bd932760a41ddcf9373187
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_MD5SUM:=
 CMAKE_INSTALL:=1