Update to ICU 58rc step 1

source/samples/uciter8/uit_len8.c

Index: source/samples/uciter8/uit_len8.c
diff --git a/source/samples/uciter8/uit_len8.c b/source/samples/uciter8/uit_len8.c
index 16fa487c642e8ac37b6d390bc992d130b26eb748..f6f41406102c0d81ed2272277b695d8160608ff4 100644
--- a/source/samples/uciter8/uit_len8.c
+++ b/source/samples/uciter8/uit_len8.c
@@ -1,6 +1,12 @@
 /*
 *******************************************************************************
 *
+*   Copyright (C) 2016 and later: Unicode, Inc. and others.
+*   License & terms of use: http://www.unicode.org/copyright.html#License
+*
+*******************************************************************************
+*******************************************************************************
+*
 *   Copyright (C) 2003-2006, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *