Added a flag that can be used to disable overloaded new + delete in DLL builds.

modules/juce_core/memory/juce_Memory.h

@@ -100,7 +100,7 @@ inline Type* createCopyIfNotNull (const Type* pointer)     { return pointer != n
    avoiding problems when an object is created in one module and passed across to another where it is deleted.
    By piggy-backing on the JUCE_LEAK_DETECTOR macro, these allocators can be injected into most juce classes.
 */
-#if JUCE_MSVC && (defined (JUCE_DLL) || defined (JUCE_DLL_BUILD)) && ! DOXYGEN
+#if JUCE_MSVC && (defined (JUCE_DLL) || defined (JUCE_DLL_BUILD)) && ! (JUCE_DISABLE_DLL_ALLOCATORS || DOXYGEN)
  extern JUCE_API void* juceDLL_malloc (size_t);
  extern JUCE_API void  juceDLL_free (void*);