Merge pull request #364 from fhurta/master

Fixed to build as SL5 project

Author: mythz

src/ServiceStack.Text/Common/WriteType.cs

@@ -317,7 +317,7 @@ public static void WriteProperties(TextWriter writer, object value)
             {
                 var len = PropertyWriters.Length;
                 var exclude = JsConfig.ExcludePropertyReferences ?? new string[0];
-                exclude = Array.ConvertAll(exclude, x => x.ToUpper());
+                ConvertToUpper(exclude);
                 for (int index = 0; index < len; index++)
                 {
                     var propertyWriter = PropertyWriters[index];
@@ -412,5 +412,18 @@ public static void WriteQueryString(TextWriter writer, object value)
                 JsState.QueryStringMode = false;
             }
         }
+
+        /// <summary>
+        /// Converts all string values in <c>strArray</c> to uppercase
+        /// </summary>
+        /// <param name="strArray"></param>
+        private static void ConvertToUpper(string[] strArray)
+        {
+            for (var i = 0; i < strArray.Length; ++i)
+            {
+                if (strArray[i] != null)
+                    strArray[i] = strArray[i].ToUpper();
+            }
+        }
     }
 }