Fix for bug #21683: [dogfood] Can't set focus to end of reply message to type

Added beginRulesSniffing local variable.
r=jfrancis@netscape.com a=chofmann@netscape.com

editor/base/nsHTMLEditor.cpp

@@ -1511,6 +1511,7 @@ NS_IMETHODIMP nsHTMLEditor::InsertBreak()
   nsresult res;
   if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
 
+  nsAutoRules beginRulesSniffing(this, kOpInsertBreak, nsIEditor::eNext);
   nsCOMPtr<nsIDOMSelection> selection;
   PRBool cancel, handled;
 

editor/libeditor/html/nsHTMLEditor.cpp

@@ -1511,6 +1511,7 @@ NS_IMETHODIMP nsHTMLEditor::InsertBreak()
   nsresult res;
   if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
 
+  nsAutoRules beginRulesSniffing(this, kOpInsertBreak, nsIEditor::eNext);
   nsCOMPtr<nsIDOMSelection> selection;
   PRBool cancel, handled;