[MDOCCK-19] Marked as @threadSafe after code inspection

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@948872 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index ddc5206..db16127 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.plugins</groupId>
     <artifactId>maven-plugins</artifactId>
-    <version>14</version>
+    <version>18</version>
   </parent>
 
   <artifactId>maven-docck-plugin</artifactId>
@@ -111,7 +111,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>1.5.5</version>
+      <version>2.0.5</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
diff --git a/src/main/java/org/apache/maven/plugin/docck/AbstractCheckDocumentationMojo.java b/src/main/java/org/apache/maven/plugin/docck/AbstractCheckDocumentationMojo.java
index d6a8c7c..c35c2dd 100644
--- a/src/main/java/org/apache/maven/plugin/docck/AbstractCheckDocumentationMojo.java
+++ b/src/main/java/org/apache/maven/plugin/docck/AbstractCheckDocumentationMojo.java
@@ -60,6 +60,7 @@
  * reused for other types of projects, too.
  *
  * @author jdcasey
+ * @threadSafe
  */
 public abstract class AbstractCheckDocumentationMojo
     extends AbstractMojo
diff --git a/src/main/java/org/apache/maven/plugin/docck/CheckPluginDocumentationMojo.java b/src/main/java/org/apache/maven/plugin/docck/CheckPluginDocumentationMojo.java
index 6c6d291..1fc90d4 100644
--- a/src/main/java/org/apache/maven/plugin/docck/CheckPluginDocumentationMojo.java
+++ b/src/main/java/org/apache/maven/plugin/docck/CheckPluginDocumentationMojo.java
@@ -45,6 +45,7 @@
  * @goal check
  * @aggregator
  * @phase validate
+ * @threadSafe
  */
 public class CheckPluginDocumentationMojo
     extends AbstractCheckDocumentationMojo