[coreboot-gerrit] Change in encapsulate[master]: Define _GNU_SOURCE to make unshare() visible with new glibc versions

[Patrick Georgi (Code Review)]

Patrick Georgi has posted comments on this change. ( https://review.coreboot.org/c/encapsulate/+/44826 )

Change subject: Define _GNU_SOURCE to make unshare() visible with new glibc versions
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Patch Set 3:

(1 comment)

https://review.coreboot.org/c/encapsulate/+/44826/1//COMMIT_MSG 
Commit Message:

https://review.coreboot.org/c/encapsulate/+/44826/1//COMMIT_MSG@7 
PS1, Line 7: unshare() is only available with _GNU_SOURCE
> Describe the action and not the problem? […]

Done