Further copyright header cleanup


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1309 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/jcsample.c b/jcsample.c
index 76dcfcd..f7b8419 100644
--- a/jcsample.c
+++ b/jcsample.c
@@ -1,9 +1,10 @@
 /*
  * jcsample.c
  *
+ * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1991-1996, Thomas G. Lane.
+ * libjpeg-turbo Modifications:
  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
- * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
  * This file contains downsampling routines.