Fixed POM file

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_asterix_stabilization@2810 123451ca-8445-de46-9d55-352943316053
diff --git a/hyracks/hyracks-hdfs/pom.xml b/hyracks/hyracks-hdfs/pom.xml
index 42530c2..105b700 100644
--- a/hyracks/hyracks-hdfs/pom.xml
+++ b/hyracks/hyracks-hdfs/pom.xml
@@ -37,6 +37,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-clean-plugin</artifactId>
+				<version>2.5</version>
 				<configuration>
 					<filesets>
 						<fileset>