* java/io/File.java (deleteOnExit): New method.
        * gnu/gcj/runtime/FileDeleter.java: New class.
        * java/lang/natRuntime.cc (exit): Call
        FileDeleter.deleteOnExitNow()
        * Makefile.am: Add FileDeleter.java.
        * Makefile.in: Rebuilt.

From-SVN: r36141