No changes, just remove an unused line of code.

Fix g++ warning about initialized but unused variable in wxRTC code.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73688 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/richtext/richtextbuffer.cpp

@@ -1447,7 +1447,6 @@ bool wxRichTextCompositeObject::Defragment(wxRichTextDrawingContext& context, co
                 if (node->GetNext())
                 {
                     wxRichTextObject* nextChild = node->GetNext()->GetData();
-                    wxRichTextObjectList::compatibility_iterator nextNode = node->GetNext();
                     
                     // First split child and nextChild so we have smaller fragments to merge.
                     // Then Merge only has to test per-object virtual attributes