[coreboot-gerrit] Change in coreboot[master]: util/cbfstool: Check for NULL before dereference

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Change subject: util/cbfstool: Check for NULL before dereference
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/19373/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/64586/ : SUCCESS