Index: src/libchcore/TConfig.cpp
===================================================================
diff -u -N -r9615294eb17ad0693fc193cca8b972ecb11428fa -r8068e0c351055554340ac9755d1bc846893bf2b8
--- src/libchcore/TConfig.cpp	(.../TConfig.cpp)	(revision 9615294eb17ad0693fc193cca8b972ecb11428fa)
+++ src/libchcore/TConfig.cpp	(.../TConfig.cpp)	(revision 8068e0c351055554340ac9755d1bc846893bf2b8)
@@ -427,7 +427,7 @@
 	void TConfig::DisconnectFromNotifier(void(*pfnCallback)(const TStringSet&, void*))
 	{
 		boost::unique_lock<boost::shared_mutex> lock(GetImpl()->m_lock);
-		GetImpl()->m_notifier.disconnect(TConfigNotifier(pfnCallback, NULL));
+		GetImpl()->m_notifier.disconnect(TConfigNotifier(pfnCallback, nullptr));
 	}
 
 	void TConfig::DelayNotifications()