Update JUnit to version 4.11 from 4.10.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1417450 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 9d7ce9a..3c37902 100644
--- a/pom.xml
+++ b/pom.xml
@@ -218,7 +218,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.10</version>
+      <version>4.11</version>
       <scope>test</scope>
     </dependency>
   </dependencies>