fluent-builder: use the same checks for with*() methods (mklemm#79)

This allows for super() calls to compile using inherited with*() methods.

plugin/src/main/java/com/kscs/util/plugins/xjc/BuilderGenerator.java

@@ -806,7 +806,7 @@ BuilderOutline getReferencedBuilderDeclaration(final PropertyOutline propertyOut
 		if(referencedDefinedClass != null) {
 			return this.builderOutlines.get(referencedDefinedClass.fullName());
 		} else {
-			return getReferencedBuilderOutline(propertyOutline.getRawType());
+			return getBuilderDeclaration(propertyOutline.getRawType());
 		}
 	}