compilation fix for WXWIN_COMPATIBILITY_2__4==1

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@49529 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/hash.cpp

@@ -406,7 +406,7 @@ void wxHashTable::DoCopy(const wxHashTable& table)
       hash_table[i] = NULL;
     else {
       hash_table[i] = new wxList(key_type);
-      hash_table[i]->Assign(*(table.hash_table[i]));
+      *hash_table[i] = *(table.hash_table[i]);
     }
   }
 }