HPCC-20171 Update Landing Zones image

Signed-off-by: G-Pan <greg.panagiotatos@lexisnexis.com>

docs/EN_US/ECLWatch/ECLWa_mods/ECLWatchSrc.xml

@@ -1738,7 +1738,7 @@
 
                 <mediaobject>
                   <imageobject>
-                    <imagedata fileref="../../images/ECLWA440b.jpg"
+                    <imagedata fileref="../../images/LZimg04.jpg"
                                vendor="eclwatchSS" />
                   </imageobject>
                 </mediaobject>

docs/EN_US/HPCCDataHandling/DH-Mods/DH-Mod1.xml

@@ -111,7 +111,7 @@
 
               <mediaobject>
                 <imageobject>
-                  <imagedata fileref="../../images/ECLWA440b.jpg"
+                  <imagedata fileref="../../images/LZimg04.jpg"
                              vendor="eclwatchSS" />
                 </imageobject>
               </mediaobject>