Check for duplicate NDNx Control Centers

Change-Id: I06d7aa71e1162e19f9fb38cada3c3c766b91cfd3
diff --git a/linux/tray-menu.h b/linux/tray-menu.h
index 3a8110a..174e338 100644
--- a/linux/tray-menu.h
+++ b/linux/tray-menu.h
@@ -75,6 +75,7 @@
     QTimer *daemonStatusTimer;
     QThread *statusUpdateThread;
 
+    QProcess *processLookup;
     QProcess *applyStatusXslt;
     QProcess *applyFibXslt;
 
@@ -125,6 +126,7 @@
     void runXmlProc(QNetworkReply *reply);
     void parseStatusXml();
     void parseFibXml();
+    void parseProcessLookup();
 };
 
 #endif // TRAYMENU_H