Code Review 6967937: Scope id no longer being set after 6931566

[Chris Hegarty]

Alan, Dmitry, Michael,

CR: Scope id no longer being set after 6931566

CR 6931566 accidentally removes the setting of the scope id for IPv6 
addresses before adding them to the interface list. This was missed 
during code review as there was a lot of refactoring to clean up the 
code. The solution is to simply set the scope id as was the case in the 
original code.

Webrev:
   http://cr.openjdk.java.net/~chegar/6967937/webrev.00/webrev/

Thanks,
-Chris.