crash when doing multiple redo commands in Composer; r=brade, sr=peterv, a=sspitzer

editor/libeditor/html/nsHTMLObjectResizer.cpp

@@ -1033,6 +1033,7 @@ nsHTMLEditor::CheckResizingState(nsISelection *aSelection)
     }
   }
 
+  if (focusNode) {
     PRUint16 nodeType;
     focusNode->GetNodeType(&nodeType);
     if (nsIDOMNode::TEXT_NODE == nodeType) {
@@ -1042,8 +1043,6 @@ nsHTMLEditor::CheckResizingState(nsISelection *aSelection)
       focusNode = parent;
     }
 
-  if (focusNode) {
-
     nsCOMPtr<nsIDOMElement>element;
     element = do_QueryInterface(focusNode);
     nsAutoString tagName;