Update ICU to 58.1

source/samples/datefmt/answers/main_0.cpp

Index: source/samples/datefmt/answers/main_0.cpp
diff --git a/source/samples/datefmt/answers/main_0.cpp b/source/samples/datefmt/answers/main_0.cpp
index 2f4dad212aaa508ad0e105962938db432eaa4309..7a122fc349908cc27f5023d4eed9d0a32e5c3b2b 100644
--- a/source/samples/datefmt/answers/main_0.cpp
+++ b/source/samples/datefmt/answers/main_0.cpp
@@ -1,8 +1,12 @@
 /********************************************************************
+ *   Copyright (C) 2016 and later: Unicode, Inc. and others.
+ *   License & terms of use: http://www.unicode.org/copyright.html#License
+ *************************************************************************
+ *************************************************************************
  * COPYRIGHT:
  * Copyright (c) 1999-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
- ********************************************************************/
+ *************************************************************************/
 
 #include "unicode/unistr.h"
 #include "unicode/calendar.h"