fixed link to Doxia logo

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia/trunk@1729473 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/site.xml b/src/site/site.xml
index 59f9b5a..46c364d 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -26,7 +26,7 @@
 
   <bannerRight>
     <name>Doxia</name>
-    <src>images/doxia-logo.png</src>
+    <src>http://maven.apache.org/doxia/images/doxia-logo.png</src>
     <href>http://maven.apache.org/doxia/</href>
   </bannerRight>