Add WTF_EXPORT to BitVector::OutOfLineBits

Source/wtf/BitVector.h

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 176 matching lines @@
     {
         return (bitCount + 7) >> 3;
     }
 
     static uintptr_t makeInlineBits(uintptr_t bits)
     {
         ASSERT(!(bits & (static_cast<uintptr_t>(1) << maxInlineBits())));
         return bits | (static_cast<uintptr_t>(1) << maxInlineBits());
     }
 
-    class OutOfLineBits {
+    class WTF_EXPORT OutOfLineBits {
     public:
         size_t numBits() const { return m_numBits; }
         size_t numWords() const { return (m_numBits + bitsInPointer() - 1) / bitsInPointer(); }
         uintptr_t* bits() { return bitwise_cast<uintptr_t*>(this + 1); }
         const uintptr_t* bits() const { return bitwise_cast<const uintptr_t*>(this + 1); }
 
         static OutOfLineBits* create(size_t numBits);
 
         static void destroy(OutOfLineBits*);
 
@@ skipping 29 matching lines @@
     }
 
     uintptr_t m_bitsOrPointer;
 };
 
 } // namespace WTF
 
 using WTF::BitVector;
 
 #endif // BitVector_h