[MPOM-150] Upgrade plexus to 1.7.1.

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1774828 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/maven/pom.xml b/maven/pom.xml
index c109178..dd6cba1 100644
--- a/maven/pom.xml
+++ b/maven/pom.xml
@@ -902,7 +902,7 @@
         <plugin>
           <groupId>org.codehaus.modello</groupId>
           <artifactId>modello-maven-plugin</artifactId>
-          <version>1.8.1</version>
+          <version>1.8.2</version>
           <configuration>
             <useJava5>true</useJava5>
           </configuration>
@@ -934,7 +934,7 @@
         <plugin>
           <groupId>org.codehaus.plexus</groupId>
           <artifactId>plexus-component-metadata</artifactId>
-          <version>1.7</version>
+          <version>1.7.1</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>