Update ICU to 58.1

source/data/lang/gsw.txt

Index: source/data/lang/gsw.txt
diff --git a/source/data/lang/gsw.txt b/source/data/lang/gsw.txt
index 1746bb52c1a12351059ddf2cdc8c021a6a928acf..9b6fcdc00abfd6ad45d149a2bedb61175576049b 100644
--- a/source/data/lang/gsw.txt
+++ b/source/data/lang/gsw.txt
@@ -1,11 +1,5 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/main/gsw.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 gsw{
     Keys{
         calendar{"Kaländer"}
@@ -625,7 +619,7 @@ gsw{
         SOLBA{"Solbica-Mundart"}
         TARASK{"Taraskievica-Rächtschriibig"}
     }
-    Version{"2.1.19.74"}
+    Version{"2.1.28.76"}
     codePatterns{
         language{"Schpraach: {0}"}
         script{"Schrift: {0}"}