releng: Use latest fluido skin

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/commons/filevault-package-maven-plugin/trunk@1877729 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/site.xml b/src/site/site.xml
index cc331d0..b201a3f 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -52,7 +52,7 @@
     <skin>
         <groupId>org.apache.maven.skins</groupId>
         <artifactId>maven-fluido-skin</artifactId>
-        <version>1.7</version>
+        <version>1.9</version>
     </skin>
 
     <custom>