nine: Fix compilation when memfd_create support is absent
glibc introduced memfd_create only in its 2.27 release.
Check memfd_create support by verifying MFD_HUGETLB is defined.
Fixes: !9377 (merged)
Reported by Roman Elshin in !9451 (merged)
glibc introduced memfd_create only in its 2.27 release.
Check memfd_create support by verifying MFD_HUGETLB is defined.
Fixes: !9377 (merged)
Reported by Roman Elshin in !9451 (merged)