Fix more warnings on linux

Source/platform/text/TextBreakIteratorICU.cpp

 /*
  * Copyright (C) 2006 Lars Knoll <lars@trolltech.com>
  * Copyright (C) 2007, 2011, 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 89 matching lines @@
     static const size_t capacity = 4;
 
     typedef pair<AtomicString, icu::BreakIterator*> Entry;
     typedef Vector<Entry, capacity> Pool;
     Pool m_pool;
     HashMap<icu::BreakIterator*, AtomicString> m_vendedIterators;
 
     friend WTF::ThreadSpecific<LineBreakIteratorPool>::operator LineBreakIteratorPool*();
 };
 
-static TextBreakIterator* ensureIterator(bool& createdIterator, TextBreakIterator*& iterator, UBreakIteratorType type)
-{
-    if (!createdIterator) {
-        UErrorCode openStatus = U_ZERO_ERROR;
-        iterator = reinterpret_cast<TextBreakIterator*>(ubrk_open(type, currentTextBreakLocaleID(), 0, 0, &openStatus));
-        createdIterator = true;
-        ASSERT_WITH_MESSAGE(U_SUCCESS(openStatus), "ICU could not open a break iterator: %s (%d)", u_errorName(openStatus), openStatus);
-    }
-    return iterator;
-}
-
 enum TextContext { NoContext, PriorContext, PrimaryContext };
 
 const int textBufferCapacity = 16;
 
 typedef struct {
     UText text;
     UChar buffer[textBufferCapacity];
 } UTextWithBuffer;
 
 static inline int64_t textPinIndex(int64_t& index, int64_t limit)
@@ skipping 722 matching lines @@
         "$Tel1 $TelV $Tel0;"               // Telugu Virama (backward)
         "$Kan1 $KanV $Kan0;"               // Kannada Virama (backward)
         "$Mal1 $MalV $Mal0;"               // Malayalam Virama (backward)
         "!!safe_reverse;"
         "!!safe_forward;";
 
     return setUpIteratorWithRules(kRules, string, length);
 }
 
 }