diff --git a/mailnews/base/src/nsMsgRDFDataSource.cpp b/mailnews/base/src/nsMsgRDFDataSource.cpp
index 07f7b7d70a9f..426c439baa4c 100644
--- a/mailnews/base/src/nsMsgRDFDataSource.cpp
+++ b/mailnews/base/src/nsMsgRDFDataSource.cpp
@@ -438,30 +438,29 @@ nsMsgRDFDataSource::changeEnumFunc(nsISupports *aElement, void *aData)
 nsresult 
 nsMsgRDFDataSource::GetTransactionManager(nsISupportsArray *aSources, nsITransactionManager **aTransactionManager)
 {
-	if(!aTransactionManager)
-		return NS_ERROR_NULL_POINTER;
-
-	*aTransactionManager = nsnull;
-	nsresult rv = NS_OK;
-
-	nsCOMPtr<nsITransactionManager> transactionManager;
-
-	PRUint32 cnt;
-
-	rv = aSources->Count(&cnt);
-	if (NS_FAILED(rv)) return rv;
-
-	if (cnt > 0)
-	{
-		transactionManager = do_QueryElementAt(aSources, 0, &rv);
-		if (NS_SUCCEEDED(rv) && transactionManager)
-		{
-			aSources->RemoveElementAt(0);
-			*aTransactionManager = transactionManager;
-			NS_IF_ADDREF(*aTransactionManager);
-		}
-	}
-
-	return NS_OK;	
+  if(!aTransactionManager)
+    return NS_ERROR_NULL_POINTER;
+  
+  *aTransactionManager = nsnull;
+  nsresult rv = NS_OK;
+  
+  nsCOMPtr<nsITransactionManager> transactionManager;
+  
+  PRUint32 cnt;
+  
+  rv = aSources->Count(&cnt);
+  if (NS_FAILED(rv)) return rv;
+  
+  if (cnt > 0)
+  {
+    transactionManager = do_QueryElementAt(aSources, 0, &rv);
+    if (NS_SUCCEEDED(rv) && transactionManager)
+    {
+      aSources->RemoveElementAt(0);
+      NS_IF_ADDREF(*aTransactionManager = transactionManager);
+    }
+  }
+  
+  return NS_OK;	
 }
 
diff --git a/mailnews/base/src/nsMsgRDFDataSource.h b/mailnews/base/src/nsMsgRDFDataSource.h
index 6645cb247511..4efefe43d4be 100644
--- a/mailnews/base/src/nsMsgRDFDataSource.h
+++ b/mailnews/base/src/nsMsgRDFDataSource.h
@@ -53,7 +53,7 @@
 class nsMsgRDFDataSource : public nsIRDFDataSource,
                            public nsIObserver,
                            public nsSupportsWeakReference,
-  						   public nsIMsgRDFDataSource
+                           public nsIMsgRDFDataSource
 {
  public:
   nsMsgRDFDataSource();
@@ -78,7 +78,7 @@ class nsMsgRDFDataSource : public nsIRDFDataSource,
                             nsIRDFNode *newObject, nsIRDFNode *oldObject, 
                             PRBool assert, PRBool change);
 
-  nsresult NotifyPropertyChanged(nsIRDFResource *resource, 
+  virtual nsresult NotifyPropertyChanged(nsIRDFResource *resource, 
                     nsIRDFResource *propertyResource, nsIRDFNode *newNode, 
                     nsIRDFNode *oldNode = nsnull);
   nsresult GetTransactionManager(nsISupportsArray *sources, nsITransactionManager **aTransactionManager);