Update ICU to 58.1

source/samples/msgfmt/answers/main_1.cpp

Index: source/samples/msgfmt/answers/main_1.cpp
diff --git a/source/samples/msgfmt/answers/main_1.cpp b/source/samples/msgfmt/answers/main_1.cpp
index d075d54c7bdb1e86740a719f5fc5e8f0b4cf3280..1e888f0a90f31d81c4d8c076167db51e63bc2f22 100644
--- a/source/samples/msgfmt/answers/main_1.cpp
+++ b/source/samples/msgfmt/answers/main_1.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) 1999-2002, International Business Machines Corporation and
  * others. All Rights Reserved.
- ********************************************************************/
+ ***********************************************************************/
 
 #include "unicode/unistr.h"
 #include "unicode/msgfmt.h"