no need to reenable VC warning 4251 now as it's globally disabled in wx/defs.h

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50844 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/string.h

@@ -2587,12 +2587,6 @@ private:
 private:
   wxStringImpl m_impl;
 
-#ifdef __VISUALC__
-    // "struct 'ConvertedBuffer<T>' needs to have dll-interface to be used by
-    // clients of class 'wxString'" - this is private, we don't care
-    #pragma warning (disable:4251)
-#endif
-
   // buffers for compatibility conversion from (char*)c_str() and
   // (wchar_t*)c_str():
   // FIXME-UTF8: bechmark various approaches to keeping compatibility buffers
@@ -2621,10 +2615,6 @@ private:
   ConvertedBuffer<wchar_t> m_convertedToWChar;
 #endif
 
-#ifdef __VISUALC__
-    #pragma warning (default:4251)
-#endif
-
 #if wxUSE_UNICODE_UTF8
   // FIXME-UTF8: (try to) move this elsewhere (TLS) or solve differently
   //             assigning to character pointer to by wxString::interator may