Bug 340236 - 4 unhandled syscalls on aarch64/arm64:
mknodat (33), fchdir (50), chroot (51), fchownat (54)
Patch from Miroslav Franc (mfranc@redhat.com)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14677 a5019735-40e9-0310-863c-91ae7b9d1cf9