Merge pull request #403 from takenet/master

Fix EmitDefaultValue support for Enums with custom SerializeFn.

Author: mythz

src/ServiceStack.Text/Common/WriteType.cs

@@ -134,7 +134,7 @@ private static bool Init()
                 int propertyOrder = -1;
                 var propertyType = propertyInfo.PropertyType;
                 var defaultValue = propertyType.GetDefaultValue();
-                bool propertySuppressDefaultConfig = defaultValue != null && propertyType.IsValueType() && JsConfig.HasSerializeFn.Contains(propertyType);
+                bool propertySuppressDefaultConfig = defaultValue != null && propertyType.IsValueType() && !propertyType.IsEnum() && JsConfig.HasSerializeFn.Contains(propertyType);
                 bool propertySuppressDefaultAttribute = false;
 
                 var shouldSerialize = GetShouldSerializeMethod(propertyInfo);
@@ -183,7 +183,7 @@ private static bool Init()
                 int propertyOrder = -1;
                 var propertyType = fieldInfo.FieldType;
                 var defaultValue = propertyType.GetDefaultValue();
-                bool propertySuppressDefaultConfig = defaultValue != null && propertyType.IsValueType() && JsConfig.HasSerializeFn.Contains(propertyType);
+                bool propertySuppressDefaultConfig = defaultValue != null && propertyType.IsValueType() && !propertyType.IsEnum() && JsConfig.HasSerializeFn.Contains(propertyType);
                 bool propertySuppressDefaultAttribute = false;
 #if (NETFX_CORE)
                 var shouldSerialize = (Func<T, bool>)null;