Removed the old openflowj protocol library

Change-Id: I4fcd0399c6eb0d9089116e365b55505042ded1fc
diff --git a/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java b/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java
index 28efb33..2593a59 100644
--- a/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java
+++ b/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java
@@ -37,7 +37,7 @@
 import net.onrc.onos.core.util.PortNumber;
 import net.onrc.onos.core.util.SwitchPort;
 
-import org.openflow.util.HexString;
+import org.projectfloodlight.openflow.util.HexString;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;