Update ICU to 58.1

source/i18n/tridpars.h

Index: source/i18n/tridpars.h
diff --git a/source/i18n/tridpars.h b/source/i18n/tridpars.h
index 1f2268fb111370a1e698cb11c093b18df53dd143..63cfdff61e7f92476be28032f3c6db0b41319d25 100644
--- a/source/i18n/tridpars.h
+++ b/source/i18n/tridpars.h
@@ -1,3 +1,5 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
  **************************************************************************
  *   Copyright (c) 2002-2010, International Business Machines Corporation *
@@ -349,7 +351,7 @@ class TransliteratorIDParser /* not : public UObject because all methods are sta
     /**
      * Initialize static memory.
      */
-    static void init(UErrorCode &status);
+    static void U_CALLCONV init(UErrorCode &status);
 
     friend class SingleID;
 };