libubox: update to latest version, improves uloop error handling

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

SVN-Revision: 39725

package/libs/libubox/Makefile

@@ -1,13 +1,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libubox
-PKG_VERSION:=2014-02-02
+PKG_VERSION:=2014-02-23
 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:=43d2d349cb86a79d3d86012b101c458d344b05a4
+PKG_SOURCE_VERSION:=926121113b903bf7b6133f782c84d0ed6c1a1a58
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_MD5SUM:=
 CMAKE_INSTALL:=1