--- old/src/java.desktop/share/classes/com/sun/media/sound/WaveFloatFileWriter.java	2016-08-12 17:03:07.000000000 +0300
+++ new/src/java.desktop/share/classes/com/sun/media/sound/WaveFloatFileWriter.java	2016-08-12 17:03:06.000000000 +0300
@@ -89,7 +89,7 @@
         data_chunk.close();
     }
 
-    private static class NoCloseOutputStream extends OutputStream {
+    private static final class NoCloseOutputStream extends OutputStream {
         final OutputStream out;
 
         NoCloseOutputStream(OutputStream out) {