Tiny performance improvement in FileUtils#moveDirectoryToDirectory()

#174.

Author: garydgregory

src/changes/changes.xml

@@ -149,6 +149,9 @@ The <action> type attribute can be add,update,fix,remove.
       <action dev="ggregory" type="update" due-to="Gary Gregory">
         Update commons.japicmp.version 0.14.4 -> 0.15.1.
       </action>
+      <action dev="ggregory" type="update" due-to="Michiel Kalkman">
+        Tiny performance improvement in FileUtils#moveDirectoryToDirectory() #174.
+      </action>
     </release>
     <!-- The release date is the date RC is cut -->
     <release version="2.8.0" date="2020-09-05" description="Java 8 required.">