[PATCH][IcedTea6] Fix Backport from S6657673

[Pavel Tisnovsky]

Hi Elliott,

these changes looks correct, ok for HEAD.

I assume you are also want to backport these changes to 6-1.11 and 6-1.12, right?

Cheers,
Pavel

----- Elliott Baron <ebaron at redhat.com> wrote:
> Hi,
> 
> This patch improves our backport of the Java 7 S6657673 security fix. 
> This fixes a problem where 
> javax.xml.parsers.DocumentBuilderFactory.newInstance would fail due to 
> package access restrictions on Xerces.
> Okay to push?
> 
> Thanks,
> Elliott