Patch merged into coreboot/master: util/cbfstool: Add NULL-ptr check

the following patch was just integrated into master:
commit a2ce710df749f06bcdfa95329491046870f3c729
Author: Patrick Georgi 
Date:   Wed Dec 14 16:08:52 2016 +0100

util/cbfstool: Add NULL-ptr check

Change-Id: I8b5caf5423135fe683a24db6700b895a2685cb98
    Signed-off-by: Patrick Georgi 
    Found-by: Coverity Scan #1323507
    Reviewed-on: https://review.coreboot.org/17858
    Reviewed-by: Nico Huber 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel

See https://review.coreboot.org/17858 for details.

-gerrit