Update ICU to 58.1

source/samples/msgfmt/answers/main_0.cpp

Index: source/samples/msgfmt/answers/main_0.cpp
diff --git a/source/samples/msgfmt/answers/main_0.cpp b/source/samples/msgfmt/answers/main_0.cpp
index 112bd5a05e62aa8c494edcc618d40b9bc5581165..865d793c493189e20180af0637119437d021cf63 100644
--- a/source/samples/msgfmt/answers/main_0.cpp
+++ b/source/samples/msgfmt/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/msgfmt.h"