Update ObjectToLiteral.java

Author: TobiasNx

metafacture-mangling/src/main/java/org/metafacture/mangling/ObjectToLiteral.java

@@ -29,6 +29,7 @@
  * @author Christoph Böhme, Fabian Steeg
  */
 @Description("Outputs a record containing the input object as literal")
+@In(Object.class) 
 @Out(StreamReceiver.class)
 @FluxCommand("object-to-literal")
 public final class ObjectToLiteral<T> extends