Making waf to compile QT-based version of the app

Change-Id: Id3e7e8e025b4ba2368a09be938b35753dd34c209
diff --git a/linux/quit-dialog.cpp b/linux/quit-dialog.cpp
index bd53f24..a99ce5c 100644
--- a/linux/quit-dialog.cpp
+++ b/linux/quit-dialog.cpp
@@ -38,3 +38,8 @@
 
     setWindowTitle(tr("NDNx Control Center"));
 }
+
+#if WAF
+#include "quit-dialog.moc"
+#include "quit-dialog.cpp.moc"
+#endif