ubox: update to latest git

this adds validation fixes

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41413 3c298f89-4303-0410-b956-a3cf2f4a3e73
procd: fix uci_validation

Regardles of the return code from validate_data _error variable will be 0 due
to 'local' command in the previous line. With this patch we are able to catch
the return code from validate_data tool.

Signed-off-by: Luka Perkov <luka@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41414 3c298f89-4303-0410-b956-a3cf2f4a3e73