[1.8, 1.9, 1.10 BACKPORT] 6851973: ignore incoming channel binding if acceptor does not set one

[Pavel Tisnovsky]

Dr Andrew John Hughes wrote:
> I'd like to backport 6851973 to 1.8, 1.9 and 1.10.
> 
> http://hg.openjdk.java.net/jdk7/tl/jdk/rev/37ed72fe7561
> 
> Without this patch, interoperability issues occur between OpenJDK
> Kerberos and Kerberos on Microsoft Windows; see
> 
> http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=830
> 
> It's been on HEAD since before the holidays.
> 
> Ok for the branches?
> 

Hi Andrew,

please note, that the regresiion test contained in this patch failed due to compilation error. I'm going to figure
what's wrong...

Cheers,
Pavel