Update ICU to 54.1 step 1

source/common/unicode/ucharstriebuilder.h

Index: source/common/unicode/ucharstriebuilder.h
diff --git a/source/common/unicode/ucharstriebuilder.h b/source/common/unicode/ucharstriebuilder.h
index ccfb86e16d10546de88e8855e3c9baa94aefc825..35e353d41b515eea8ff6ad972031501e21644f39 100644
--- a/source/common/unicode/ucharstriebuilder.h
+++ b/source/common/unicode/ucharstriebuilder.h
@@ -1,6 +1,6 @@
 /*
 *******************************************************************************
-*   Copyright (C) 2010-2013, International Business Machines
+*   Copyright (C) 2010-2014, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *******************************************************************************
 *   file name:  ucharstriebuilder.h
@@ -148,7 +148,6 @@ private:
     virtual int32_t getMinLinearMatch() const { return UCharsTrie::kMinLinearMatch; }
     virtual int32_t getMaxLinearMatchLength() const { return UCharsTrie::kMaxLinearMatchLength; }
 
-#ifndef U_HIDE_INTERNAL_API
     class UCTLinearMatchNode : public LinearMatchNode {
     public:
         UCTLinearMatchNode(const UChar *units, int32_t len, Node *nextNode);
@@ -157,7 +156,6 @@ private:
     private:
         const UChar *s;
     };
-#endif
 
     virtual Node *createLinearMatchNode(int32_t i, int32_t unitIndex, int32_t length,
                                         Node *nextNode) const;