IOT-1776 Fix Windows TCP Transport

IOT-1776 Fix Windows TCP Transport

This change makes the TCP transport on Windows functional when the application
picks resource based on COAP+TCP.

Change-Id: I9d6965afc0cbdadf4c9597f1b24a04ccafc17855
Signed-off-by: Way Vadhanasin <wayvad@microsoft.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/16763
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dan Mihai <Daniel.Mihai@microsoft.com>
Reviewed-by: Dave Thaler <dthaler@microsoft.com>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>