ubox: fix open() error handling (#21826)

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

SVN-Revision: 48683

package/system/ubox/Makefile

 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ubox
-PKG_VERSION:=2015-11-22
+PKG_VERSION:=2016-02-09
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(OPENWRT_GIT)/project/ubox.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=c086167a0154745c677f8730a336ea9cf7d71031
+PKG_SOURCE_VERSION:=b0d5399c3db83c2c8f9d8aae944f873343b3a038
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 CMAKE_INSTALL:=1