change 'Entry' to its full form of 'Index Entry'

Change-Id: I861374e6a5c867f674fb682c6dc0eb6050a372d1
Reviewed-on: https://gerrit.libreoffice.org/12208Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>

officecfg/registry/data/org/openoffice/Office/UI/WriterCommands.xcu

@@ -398,7 +398,7 @@
       </node>
       <node oor:name=".uno:InsertIndexesEntry" oor:op="replace">
         <prop oor:name="Label" oor:type="xs:string">
-          <value xml:lang="en-US">~Entry...</value>
+          <value xml:lang="en-US">~Index Entry...</value>
         </prop>
         <prop oor:name="Properties" oor:type="xs:int">
           <value>1</value>