Adding trailing POSIX newline

Author: Brian Melton

graphsdk/src/main/java/com/microsoft/graph/http/IStatefulResponseHandler.java

@@ -56,4 +56,4 @@ ResultType generateResult(final IHttpRequest request,
                               final IConnection connection,
                               final ISerializer serializer,
                               final ILogger logger) throws Exception;
-}
+}