Defining default values on TextFieldSettings

--HG--
branch : 1.x

src/Orchard.Web/Core/Common/ViewModels/TextFieldSettingsEventsViewModel.cs

@@ -2,6 +2,10 @@
 
 namespace Orchard.Core.Common.ViewModels {
     public class TextFieldSettingsEventsViewModel {
+        public TextFieldSettingsEventsViewModel() {
+            Flavors = new string[0];
+        }
+
         public TextFieldSettings Settings { get; set; }
         public string[] Flavors { get; set; }
     }