Removed the old openflowj protocol library

Change-Id: I4fcd0399c6eb0d9089116e365b55505042ded1fc
diff --git a/src/main/java/net/floodlightcontroller/core/web/ControllerSwitchesResource.java b/src/main/java/net/floodlightcontroller/core/web/ControllerSwitchesResource.java
index 223da56..1e115ac 100644
--- a/src/main/java/net/floodlightcontroller/core/web/ControllerSwitchesResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/ControllerSwitchesResource.java
@@ -24,7 +24,7 @@
 import net.floodlightcontroller.core.IOFSwitch;
 import net.floodlightcontroller.util.FilterIterator;
 
-import org.openflow.util.HexString;
+import org.projectfloodlight.openflow.util.HexString;
 import org.restlet.data.Form;
 import org.restlet.data.Status;
 import org.restlet.resource.Get;