fix exception 3265 again

src/AddIns/Debugger/Debugger.AddIn/Pads/Controls/WatchList.xaml.cs

@@ -69,17 +69,18 @@ namespace Debugger.AddIn.Pads.Controls
 		
 		void WatchListAutoCompleteCellCommandEntered(object sender, EventArgs e)
 		{
-			if (SelectedNode == null) return;
+			var selectedNode = SelectedNode;
+			if (selectedNode == null) return;
 			if (WatchType != WatchListType.Watch) return;
 			
 			var cell = ((WatchListAutoCompleteCell)sender);
 			
-			SelectedNode.Node.Name = cell.CommandText;
+			selectedNode.Node.Name = cell.CommandText;
 			myList.UnselectAll();
 			if (WatchType == WatchListType.Watch && WatchPad.Instance != null) {
 				WatchPad.Instance.InvalidatePad();
 			}
-			SelectedNode.IsEditing = false;
+			selectedNode.IsEditing = false;
 		}
 		
 		void MyListPreviewMouseDoubleClick(object sender, MouseButtonEventArgs e)

src/AddIns/Debugger/Debugger.AddIn/Pads/Controls/WatchListAutoCompleteCell.cs

@@ -121,9 +121,9 @@ namespace Debugger.AddIn.Pads.Controls
 			
 			// FIXME workaround the NRefactory issue that needs a ; at the end
 			if (language == "C#" || language == "CSharp") {
-				if(!command.EndsWith(";"))
+				if (!command.EndsWith(";"))
 					command += ";";
-				// FIXME only one string should be available; highlighting expects C#, supproted language, CSharp
+				// FIXME only one string should be available; highlighting expects C#, supported language, CSharp
 				language = "CSharp";
 			}