jscript: Don't use break in funally block on pre-IE8 jscript

[Jacek Caban]

On 01/12/12 14:30, Marvin wrote:
> Hi,
>
> While running your changed tests on Windows, I think I found new failures.
> Being a bot and all I'm not very good at pattern recognition, so I might be
> wrong, but could you please double-check?
> Full results can be found at
> http://testbot.winehq.org/JobDetails.pl?Key=16400
>
> Your paranoid android.
>

Here is a proper run of this patch:

https://testbot.winehq.org/JobDetails.pl?Key=16393

The remaining few (already existing) failures are fixer by my other patch.

Jacek