[maven-release-plugin]  copy for tag 1.0.4

git-svn-id: https://svn.apache.org/repos/asf/openjpa/tags/1.0.4@989711 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 6ed2200..5626bf7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -493,7 +493,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-site-plugin</artifactId>
-                    <version>2.0-beta-7</version>
+                    <version>2.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>