Ensure that unistd.h is included on Linux

(or anywhere except non-Cygwin Windows, to be precise)

Bug reported by László Böszörményi
1 file changed
tree: 1c9a1eff45f85f67cf55a9aa6129f17c98e47eb0
  1. .gitignore
  2. expat/
  3. htdocs/
  4. testdata/