Add missing @Override annotation.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1692851 13f79535-47bb-0310-9956-ffa450edef68

lucene/core/src/java/org/apache/lucene/search/ScoringRewrite.java

@@ -60,6 +60,7 @@ public abstract class ScoringRewrite<B> extends TermCollectingRewrite<B> {
       return builder;
     }
 
+    @Override
     protected Query build(BooleanQuery.Builder builder) {
       return builder.build();
     }