Patch for building Java compiler for version 4.3.0+

[Andy Johnson]

Yann,

--SNIP--
> > I also added some code to download ecj.jar if Java is selected:
> [--SNIP--]
> > +        CT_GetFile "ecj-latest.jar" ftp://gcc.gnu.org/pub/java
> 
> I see there's ecj-latest.jar *and* ecj-4.3.jar there. Shouldn't we be
> using
> ecj-4.3.jar with gcc-4.3.x? Put in other words: is the numbering
scheme
> of
> ecj follows the one from gcc?

Since GCC 4.3 is the first version to require ECJ, going forward
we may see additional versions.  It's a little hard to extrapolate
from one data point.  We could "assume" that we will and code it
the logic and see if it holds up with 4.4.  I don't know if we'll
ever see subversions, like 4.3.3, 4.4.1, etc.  Could be a trap :-)

Andy

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