Checkstyle version bump

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/net/trunk@1739352 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 7e1ae10..cab526a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -181,7 +181,7 @@
         <commons.release.2.desc>(Requires Java 1.3 or later)</commons.release.2.desc>
         <commons.jira.id>NET</commons.jira.id>
         <commons.jira.pid>12310487</commons.jira.pid>
-        <checkstyle.plugin.version>2.16</checkstyle.plugin.version>
+        <checkstyle.plugin.version>2.17</checkstyle.plugin.version>
         <checkstyle.tool.version>6.9</checkstyle.tool.version>
         <commons.changes.onlyCurrentVersion>true</commons.changes.onlyCurrentVersion>
     </properties>