Index: src/ch/OptionsDlg.cpp
===================================================================
diff -u -N -rd18db617f4727a237c94b59af9b4328f829eda16 -r8068e0c351055554340ac9755d1bc846893bf2b8
--- src/ch/OptionsDlg.cpp	(.../OptionsDlg.cpp)	(revision d18db617f4727a237c94b59af9b4328f829eda16)
+++ src/ch/OptionsDlg.cpp	(.../OptionsDlg.cpp)	(revision 8068e0c351055554340ac9755d1bc846893bf2b8)
@@ -38,7 +38,7 @@
 /////////////////////////////////////////////////////////////////////////////
 // COptionsDlg dialog
 
-COptionsDlg::COptionsDlg(CWnd* pParent /*=NULL*/)
+COptionsDlg::COptionsDlg(CWnd* pParent /*=nullptr*/)
 	:ictranslate::CLanguageDialog(IDD_OPTIONS_DIALOG, pParent, &m_bLock)
 {
 }