[java patch] increase library version number

[Matthias Klose]

Tom Tromey writes:
> >>>>> "Matthias" == Matthias Klose <doko@cs.tu-berlin.de> writes:
> 
> Matthias> At least because of the changed C++ ABI a version bump for
> Matthias> libgcj is needed. Ok to apply?
> 
> Sorry about the delay on this.  Can you update on both the trunk and
> the 3.4 branch?
> 
> I suppose we could increment the trunk to "6".  I think usually we've
> just left the trunk the same as the branch until a new release branch
> is made, on the theory that gcc developers know what they're doing.

Done.

	Matthias