RFR 8168405: Pending exceptions in java.base/windows/native

[Pavel Rappo]

Hello,

Could you please review the following change for [1]?

   http://cr.openjdk.java.net/~prappo/8168405/webrev/

This change addresses some code paths in the native networking code for Windows
operating system where thrown exceptions might be left unnoticed.

Thanks,
-Pavel

--------------------------------------------------------------------------------
[1] https://bugs.openjdk.java.net/browse/JDK-8168405