natString.cc (intern): If string's data does not point to this String, make a fresh String that does.


	* java/lang/natString.cc (intern):  If string's data does not point to
	this String, make a fresh String that does.

	* java/lang/natString.cc (unintern):  Replace by static function.
	* java/lang/String.java (unintern):  Remove method.

From-SVN: r40990