Merge pull request #745 from ahaiselden/patch-1

Author: abuzuhri

Source/FikaAmazonAPI/AmazonSpApiSDK/Models/ListingsItems/FulfillmentAvailability.cs

@@ -52,7 +52,7 @@ protected FulfillmentAvailability() { }
         /// Designates which fulfillment network will be used.
         /// </summary>
         /// <value>Designates which fulfillment network will be used.</value>
-        [DataMember(Name="fulfillmentChannelCode", EmitDefaultValue=false)]
+        [DataMember(Name="fulfillment_channel_code", EmitDefaultValue=false)]
         public string FulfillmentChannelCode { get; set; }
 
         /// <summary>