Small optimization

Performance gain is < 2%

Bug: 6394357
Change-Id: I2b7da946788cf11d1a491efd20fb2bd2333c23d1
diff --git a/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java b/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
index 522573d..830fbf0 100644
--- a/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
+++ b/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
@@ -1053,7 +1053,7 @@
             dataEndOffset = writePlacedNode(dict, buffer, n);
         }
 
-        showStatistics(flatNodes);
+        if (DBG) showStatistics(flatNodes);
 
         destination.write(buffer, 0, dataEndOffset);