[PATCH] jscript: Support undefined separator in String.split implementation.

[Marvin]

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:
https://testbot.winehq.org/JobDetails.pl?Key=45282

Your paranoid android.


=== w1064 (task log) ===

Task errors:
TestBot process got stuck or died unexpectedly
The previous 1 run(s) terminated abnormally