tcp module uses `poll' unconditionally.

[Peter Stephenson <pws@xxxxxxx>]

tcp.c uses poll() at line 546.  It should test HAVE_POLL and if that fails
use select().  This screws up (my version of) cygwin.

zftp has a fallback to do something more limited if neither poll() nor
select() is available, tcp should probably do the same.

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 392070


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