fix web site generation

Signed-off-by: olivier lamy <olamy@apache.org>

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1780014 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/site.xml b/src/site/site.xml
index 85c9523..c602d8f 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -35,7 +35,7 @@
   <skin>
     <groupId>org.apache.maven.skins</groupId>
     <artifactId>maven-fluido-skin</artifactId>
-    <version>1.4</version>
+    <version>1.6</version>
   </skin>
 
   <custom>