Fix serialization flag handling in ReflectiveClassBuildItem.MultiBuildItem

Author: famod

core/deployment/src/main/java/io/quarkus/deployment/builditem/nativeimage/ReflectiveClassBuildItem.java

@@ -192,12 +192,13 @@ public Builder weak(boolean weak) {
         }
 
         public Builder serialization(boolean serialize) {
-            this.serialization = serialization;
+            this.serialization = serialize;
             return this;
         }
 
         public ReflectiveClassBuildItem build() {
-            return new ReflectiveClassBuildItem(constructors, methods, fields, finalFieldsWritable, weak, className);
+            return new ReflectiveClassBuildItem(constructors, methods, fields, finalFieldsWritable, weak, serialization,
+                    className);
         }
     }
 }