fix error in doclava that was causing 'toroot' variable
to show up at the beginning of federated URLs
bug: 13512870

Change-Id: I2486dd2248bd8a2d9931d77af9be860e99968234
diff --git a/src/com/google/doclava/SeeTagInfo.java b/src/com/google/doclava/SeeTagInfo.java
index 312e603..34e6aed 100644
--- a/src/com/google/doclava/SeeTagInfo.java
+++ b/src/com/google/doclava/SeeTagInfo.java
@@ -54,6 +54,7 @@
     data.setValue(base + ".label", linkRef.label);
     if (linkRef.href != null) {
       data.setValue(base + ".href", linkRef.href);
+      data.setValue(base + ".federatedSite", linkRef.federatedSite);
     }
 
     if (ClearPage.toroot != null) {