natThread.cc (finish_): Don't clear 'group'.

* java/lang/natThread.cc (finish_): Don't clear 'group'.
	* sources.am, Makefile.in: Rebuilt.
	* java/lang/Runtime.java (exit): Merged with Classpath.
	(runShutdownHooks): New method from Classpath.
	* java/io/File.java (deleteOnExit): Use DeleteFileHelper, not
	FileDeleter.
	* gnu/gcj/runtime/FileDeleter.java: Removed.
	* java/lang/natRuntime.cc (runFinalizationForExit): New method.
	(exitInternal): Don't run finalizers or delete files.

From-SVN: r109400

libjava/java/io/File.java

@@ -1,5 +1,5 @@
 /* File.java -- Class representing a file on disk
-   Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005
+   Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
@@ -44,7 +44,6 @@ import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URL;
 import gnu.classpath.Configuration;
-import gnu.gcj.runtime.FileDeleter;
 
 /* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
  * "The Java Language Specification", ISBN 0-201-63451-1
@@ -1375,7 +1374,7 @@ public class File implements Serializable, Comparable
     if (sm != null)
       sm.checkDelete (getName());
 
-    FileDeleter.add (this);
+    DeleteFileHelper.add(this);
   }
 
   private void writeObject(ObjectOutputStream oos) throws IOException