Merge branch 'master' of https://github.com/redox-os/relibc

tests/expected/dup.stdout

tests/expected/error.stderr

tests/expected/error.stdout

tests/expected/fchdir.stderr

tests/expected/fchdir.stdout

tests/expected/fcntl.stderr

tests/expected/fcntl.stdout

tests/expected/fsync.stderr

tests/expected/fsync.stdout

tests/expected/ftruncate.stderr

tests/expected/ftruncate.stdout

tests/expected/getid.stderr

tests/expected/getid.stdout

tests/expected/link.stderr

tests/expected/link.stdout

tests/expected/math.stderr

tests/expected/math.stdout

tests/expected/pipe.stderr

tests/expected/pipe.stdout

tests/expected/printf.stderr