use relative link inside Maven site to avoid http vs https update: stay as user is

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk/maven-jar-plugin@1746866 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/site.xml b/src/site/site.xml
index 4119154..7c868e1 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -33,9 +33,9 @@
       <item name="Download" href="download.html"/>
     </menu>
     <menu name="Examples">
-      <item name="Creating an Executable JAR File" href="http://maven.apache.org/shared/maven-archiver/examples/classpath.html"/>
+      <item name="Creating an Executable JAR File" href="/shared/maven-archiver/examples/classpath.html"/>
       <item name="Manifest Customization" href="examples/manifest-customization.html"/>
-      <item name="Using Your Own Manifest File" href="http://maven.apache.org/shared/maven-archiver/examples/manifestFile.html"/>
+      <item name="Using Your Own Manifest File" href="/shared/maven-archiver/examples/manifestFile.html"/>
       <item name="Additional attached JAR" href="examples/attached-jar.html"/>
       <item name="Create Test JAR" href="examples/create-test-jar.html"/>
       <item name="Include/Exclude content" href="examples/include-exclude.html"/>