toolchain/47768: build.sh no longer bombs if run as non-root without -U/-E

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>Number:         47768
>Category:       toolchain
>Synopsis:       build.sh no longer bombs if run as non-root without -U/-E
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Apr 26 13:30:00 +0000 2013
>Originator:     Antti Kantee
>Release:        -current from a few hours ago
>Organization:
>Environment:
>Description:
The default for MKUNPRIVED is not set when sanitycheck() is run.
>How-To-Repeat:
./build.sh build as non-root
>Fix: