Update ICU to 58.1

source/common/ulist.h

Index: source/common/ulist.h
diff --git a/source/common/ulist.h b/source/common/ulist.h
index 4789247e318404b73237fa309a992e837146bf75..6f292bf9dcaff1e1bba95f133c6131e4fca7809a 100644
--- a/source/common/ulist.h
+++ b/source/common/ulist.h
@@ -1,6 +1,8 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 ******************************************************************************
-*   Copyright (C) 2009, International Business Machines
+*   Copyright (C) 2009-2016, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 ******************************************************************************
 */
@@ -22,6 +24,8 @@ U_CAPI void U_EXPORT2 ulist_addItemBeginList(UList *list, const void *data, UBoo
 
 U_CAPI UBool U_EXPORT2 ulist_containsString(const UList *list, const char *data, int32_t length);
 
+U_CAPI UBool U_EXPORT2 ulist_removeString(UList *list, const char *data);
+
 U_CAPI void *U_EXPORT2 ulist_getNext(UList *list);
 
 U_CAPI int32_t U_EXPORT2 ulist_getListSize(const UList *list);