[eclipselink-dev] Fix for bug 257104

[Matt MacIvor <matt.macivor@xxxxxxxxxx>]

The fix for this bug has been checked into SVN

https://bugs.eclipse.org/bugs/show_bug.cgi?id=257104

MULTI-BYTE CHARACTERS ARE LOST AFTER DATAOBJECT IS PASSED OVER RMI:

This was an issue in SDOXMLHelperDelegate. In the save method that takes 
an output stream, an OutputStreamWriter is created to wrap the output 
stream, but the proper encoding wasn't being passed into the constructor 
of the OutputStreamWriter. The encoding from XMLMarshaller should be 
used. By setting the encoding, the characters are correctly serialized.

Code reviewed by: Blaise Doughan

-Matt