bump up version on onos Loxi; fix a problem reported by error-prone

Change-Id: Ia72fcb00b128505da82c908d2154b61da3822f6c
diff --git a/lib/pom.xml b/lib/pom.xml
index 0d291f2..c6fa050 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -38,7 +38,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <onos-build-conf.version>1.13.0-SNAPSHOT</onos-build-conf.version>
         <netty4.version>4.1.8.Final</netty4.version>
-        <openflowj.version>3.2.0.onos</openflowj.version>
+        <openflowj.version>3.2.1.onos</openflowj.version>
         <onos-maven-plugin.version>${project.version}</onos-maven-plugin.version>
         <onos-yang-tools.version>2.4.1</onos-yang-tools.version>
         <osgi.version>5.0.0</osgi.version>