[wwwdocs,Java] java/index.html -- fix formatting on gcc.gnu.org

[Mike Stump]

> On Apr 16, 2016, at 1:31 PM, Gerald Pfeifer <gerald@pfeifer.com> wrote:
> Soo, GCC 6 has branched -- would it make sense for you guys to
> start this removal?

No, the home page says:

  Status: 2016-03-10 (regression fixes & docs only).

for gcc 7 (aka trunk).  Technically, that should update to say all fixes, _before_ any change goes in.  :-)

I must admit, I’m not sure why trunk is listed that way now.  I did expect branching to have switched that.