Patch: allow specifiying flags to the VM used in javac script

[Christian Thalinger]

On Wed, 2009-01-07 at 14:43 -0800, Martin Buchholz wrote:
> Why not use the -J flag?
> 
> $ javac -help
> ....
>   -J<flag>                   Pass <flag> directly to the runtime system

As I wrote in another email two minutes ago:

$ ecj -help
<snip>
 Ignored options:
    -J<option>         pass option to virtual machine (ignored)

- Christian