Fix web site image reference.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1383916 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/site/site.xml

@@ -19,7 +19,7 @@
 
   <bannerRight>
     <name>Apache Commons CSV</name>
-    <src>/images/csv-logo.png</src>
+    <src>/images/logo.png</src>
     <href>/index.html</href>
     <alt>Commons CSV&amp;trade; logo</alt>
   </bannerRight>