JCR-4909: specify maven-rar-plugin dependency

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1907731 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/jackrabbit-parent/pom.xml b/jackrabbit-parent/pom.xml
index 0c4c4ff..8a7119d 100644
--- a/jackrabbit-parent/pom.xml
+++ b/jackrabbit-parent/pom.xml
@@ -361,6 +361,10 @@
           <version>3.3.0</version>
         </plugin>
         <plugin>
+          <artifactId>maven-rar-plugin</artifactId>
+          <version>3.0.0</version>
+        </plugin>
+        <plugin>
           <artifactId>maven-war-plugin</artifactId>
           <version>3.3.2</version>
         </plugin>