1. Updating D9046: Capsicum: add capability mode to users binary #
2. Enter a brief description of the changes included in this update.
3. The first line is used as subject, next lines as comment. #
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5. $ arc diff --create

Does this need to include errno.h to compile?

It compiles without, but you're right in that it should. The only reason it does compile is that some header somewhere also includes errno.h