Returning ChronoSync submodule, making it compile on OSX 10.9
diff --git a/src/addcontactpanel.cpp b/src/addcontactpanel.cpp
index 8e90f66..78f6102 100644
--- a/src/addcontactpanel.cpp
+++ b/src/addcontactpanel.cpp
@@ -173,7 +173,7 @@
     return;
   }
 
-  m_currentCollectEndorseReady = NULL;
+  m_currentCollectEndorseReady = false;
 
   displayContactInfo();
 }