Fix wrong import that causes the buck build to fail

Change-Id: I0ac43051ce8acdf8ee642db3275ac4a2dde2fa53
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
diff --git a/gerrit-lucene/src/main/java/com/google/gerrit/lucene/SubIndex.java b/gerrit-lucene/src/main/java/com/google/gerrit/lucene/SubIndex.java
index 2ae8d3a..b783caf 100644
--- a/gerrit-lucene/src/main/java/com/google/gerrit/lucene/SubIndex.java
+++ b/gerrit-lucene/src/main/java/com/google/gerrit/lucene/SubIndex.java
@@ -14,9 +14,9 @@
 
 package com.google.gerrit.lucene;
 
+import com.google.common.collect.Maps;
 import com.google.common.util.concurrent.AbstractFuture;
 import com.google.common.util.concurrent.ListenableFuture;
-import com.google.gwt.thirdparty.guava.common.collect.Maps;
 
 import org.apache.lucene.document.Document;
 import org.apache.lucene.index.IndexWriter;