[wwwdocs] Nits in gcc-4.6/changes.html

[Andreas Krebbel]

>> * S/390, ...:
>>
>>   ... make use of the following instruction facilities:
>>
>>   Too many hyphens in the following list?
> 
> Andreas?  This looks a bit strange, but I know that s390 terminology
> always tends to be a bit different. :-)

Indeed these are the facility names as they come from the S/390 documentation:
http://publibfi.boulder.ibm.com/epubs/pdf/dz9zs006.pdf

But they certainly can be removed if you prefer. I don't have a strong opinion about that.

-Andreas-