build: fix compile warning

Change-Id: Ic698231c25a47d27c15d0c43b6fd777086f991b6
diff --git a/src/add-contact-panel.cpp b/src/add-contact-panel.cpp
index 9e0db74..32bd79e 100644
--- a/src/add-contact-panel.cpp
+++ b/src/add-contact-panel.cpp
@@ -99,5 +99,5 @@
 
 #if WAF
 #include "add-contact-panel.moc"
-#include "add-contact-panel.cpp.moc"
+// #include "add-contact-panel.cpp.moc"
 #endif