Index: src/ch/AsyncHttpFile.h
===================================================================
diff -u -N -r045540c818c374806d09742ef3d7a984d8d757d3 -r8068e0c351055554340ac9755d1bc846893bf2b8
--- src/ch/AsyncHttpFile.h	(.../AsyncHttpFile.h)	(revision 045540c818c374806d09742ef3d7a984d8d757d3)
+++ src/ch/AsyncHttpFile.h	(.../AsyncHttpFile.h)	(revision 8068e0c351055554340ac9755d1bc846893bf2b8)
@@ -71,7 +71,7 @@
 
 	bool IsClosed() const
 	{
-		return m_hOpenUrl == NULL;
+		return m_hOpenUrl == nullptr;
 	}
 
 protected: