Upgrade release plugin, previous is broken

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@599300 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 42d5008..6475e81 100644
--- a/pom.xml
+++ b/pom.xml
@@ -64,6 +64,11 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-release-plugin</artifactId>
+        <version>2.0-beta-7</version>
+      </plugin>
     </plugins>
   </build>
 </project>