Removed the old openflowj protocol library

Change-Id: I4fcd0399c6eb0d9089116e365b55505042ded1fc
diff --git a/src/main/java/net/floodlightcontroller/core/web/SwitchRoleResource.java b/src/main/java/net/floodlightcontroller/core/web/SwitchRoleResource.java
index d598005..f85b75e 100644
--- a/src/main/java/net/floodlightcontroller/core/web/SwitchRoleResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/SwitchRoleResource.java
@@ -5,7 +5,7 @@
 import net.floodlightcontroller.core.IFloodlightProviderService;
 import net.floodlightcontroller.core.IOFSwitch;
 
-import org.openflow.util.HexString;
+import org.projectfloodlight.openflow.util.HexString;
 import org.restlet.resource.Get;
 import org.restlet.resource.ServerResource;
 import org.slf4j.Logger;