Index: src/ch/FeedbackReplaceDlg.h
===================================================================
diff -u -N -r5d8ca703882285442606338c1acfc5fff6084e59 -r8068e0c351055554340ac9755d1bc846893bf2b8
--- src/ch/FeedbackReplaceDlg.h	(.../FeedbackReplaceDlg.h)	(revision 5d8ca703882285442606338c1acfc5fff6084e59)
+++ src/ch/FeedbackReplaceDlg.h	(.../FeedbackReplaceDlg.h)	(revision 8068e0c351055554340ac9755d1bc846893bf2b8)
@@ -24,7 +24,7 @@
 	DECLARE_DYNAMIC(CFeedbackReplaceDlg)
 
 public:
-	CFeedbackReplaceDlg(const chcore::TFileInfo& spSrcFile, const chcore::TFileInfo& spDstFile, CWnd* pParent = NULL);   // standard constructor
+	CFeedbackReplaceDlg(const chcore::TFileInfo& spSrcFile, const chcore::TFileInfo& spDstFile, CWnd* pParent = nullptr);   // standard constructor
 	virtual ~CFeedbackReplaceDlg();
 
 	virtual BOOL OnInitDialog();