commit ea5b2b0a2e2143ad1414fcbdc081b5d584588346
 Author: Jon TURNEY <jon.turney@dronecode.org.uk>
 Date:   Tue Oct 21 15:03:55 2014 +0100

    os: -displayfd should check ports up to 65535

    -displayfd should check ports up to 65535

    Noticed during https://cygwin.com/ml/cygwin-xfree/2014-07/msg00024.htmlSigned-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Backported-to-NX-by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>