[fix][W32] Use blocking select when timeout is 0
[fix][W32] Use blocking select when timeout is 0

Behave exactely like the unix implementation.

Signed-off-by: David Oberhollenzer <ef97309e490485c1bad5018f0617d7fa37bc07ac@tele2.at>

AgentD/ctools,AgentD/ctools,AgentD/ctools