Update ICU to 58.1

source/data/zone/pt_GW.txt

Index: source/data/zone/pt_GW.txt
diff --git a/source/data/zone/pt_GW.txt b/source/data/zone/pt_GW.txt
old mode 100755
new mode 100644
index 91394bc02f7386df8e6c47a177a6a83ecb9096cb..5c5a88aaee95ac4758d7b8c25d6a241e15da46b2
--- a/source/data/zone/pt_GW.txt
+++ b/source/data/zone/pt_GW.txt
@@ -1,14 +1,8 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/main/pt_GW.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 pt_GW{
     %%Parent{"pt_PT"}
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
     zoneStrings{
         "meta:Azores"{
             sd{"∅∅∅"}