Fix issues found by FindBugs: DLS_DEAD_LOCAL_STORE

http://findbugs.sourceforge.net/bugDescriptions.html#DLS_DEAD_LOCAL_STORE

Change-Id: I3f0233f31243ce35996ccfc9617184e6e4d8accc
diff --git a/src/main/java/net/onrc/onos/core/flowprogrammer/FlowSynchronizer.java b/src/main/java/net/onrc/onos/core/flowprogrammer/FlowSynchronizer.java
index 25fe608..005f983 100644
--- a/src/main/java/net/onrc/onos/core/flowprogrammer/FlowSynchronizer.java
+++ b/src/main/java/net/onrc/onos/core/flowprogrammer/FlowSynchronizer.java
@@ -14,7 +14,6 @@
 
 import net.floodlightcontroller.core.IOFSwitch;
 import net.onrc.onos.core.flowprogrammer.IFlowPusherService.MsgPriority;
-import net.onrc.onos.core.util.Dpid;
 import net.onrc.onos.core.util.FlowEntryId;
 
 import org.openflow.protocol.OFFlowMod;
@@ -89,8 +88,8 @@
 
         public Synchronizer(IOFSwitch sw) {
             this.sw = sw;
-            Dpid dpid = new Dpid(sw.getId());
             // TODO: fix when FlowSynchronizer is refactored
+            // Dpid dpid = new Dpid(sw.getId());
             // this.swObj = dbHandler.searchSwitch(dpid.toString());
         }