o Locked down version of reporting plugins

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@684829 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 65fff11..e0c7f34 100644
--- a/pom.xml
+++ b/pom.xml
@@ -234,6 +234,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-changelog-plugin</artifactId>
+        <version>2.1</version>
       </plugin>
     </plugins>
   </reporting>