server: connect named pipe synchronously when overlapped param is NULL

[Andrey Turkin]

Even if pipe was created as overlapped - this actually make sense as
caller won't have any chance to get a callback. Helps application in
bug 18643 to go further

---
  dlls/kernel32/tests/pipe.c |   48 +++++++++++++++++++++++++------------------
  dlls/ntdll/file.c          |    2 +-
  server/named_pipe.c        |    2 +-
  3 files changed, 30 insertions(+), 22 deletions(-)


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