Fix compilation error

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71713 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/dobjcmn.cpp

@@ -508,7 +508,7 @@ bool wxHTMLDataObject::SetData(size_t WXUNUSED(len), const void *buf)
         return false;
 
     // Windows and Mac always use UTF-8, and docs suggest GTK does as well.
-    const wxString html = wxString::FromUTF8(static_cast<const char*>(buf));
+    wxString html = wxString::FromUTF8(static_cast<const char*>(buf));
 
 #ifdef __WXMSW__
     // To be consistent with other platforms, we only add the Fragment part