File.java (toURI): Throw RuntimeException, not InternalError.

2004-07-27  Bryce McKinlay  <mckinlay@redhat.com>

	* java/io/File.java (toURI): Throw RuntimeException, not
	InternalError.
	* java/lang/Runtime.java (exit): Qualify static sleep() call with
	class name, not instance.

From-SVN: r85227