Fixed dependencies

Fix dependency on System.Runtime.Serialization.Xml

src/Microsoft.AspNetCore.Mvc.Formatters.Xml/project.json

@@ -37,9 +37,9 @@
         "portable-net451+win8"
       ],
       "dependencies": {
-        "System.Runtime.Serialization.Xml": "4.1.0-*",
+        "System.Runtime.Serialization.Xml": "4.1.1-*",
         "System.Xml.XmlSerializer": "4.0.11-*"
       }
     }
   }
-}
+}