Update ICU to 58.1

source/samples/plurfmtsample/plurfmtsample.cpp

Index: source/samples/plurfmtsample/plurfmtsample.cpp
diff --git a/source/samples/plurfmtsample/plurfmtsample.cpp b/source/samples/plurfmtsample/plurfmtsample.cpp
index 48bd206c5902d2e1d975e553bde79f56cdd65122..f3a9ce603010776c44544177780bd8aca60fa12c 100644
--- a/source/samples/plurfmtsample/plurfmtsample.cpp
+++ b/source/samples/plurfmtsample/plurfmtsample.cpp
@@ -1,7 +1,11 @@
 /********************************************************************************
+* Copyright (C) 2016 and later: Unicode, Inc. and others.
+* License & terms of use: http://www.unicode.org/copyright.html#License
+********************************************************************************
+********************************************************************************
 * Copyright (C) 2008-2013, International Business Machines Corporation and
 * others. All Rights Reserved.
-*******************************************************************************
+********************************************************************************
 */
 
 //! [PluralFormatExample1]
@@ -96,4 +100,4 @@ int main (int argc, char* argv[])
 {
 	PluralFormatExample();
 	return 0;
-}
+}