Index: src/chext/chext.cpp
===================================================================
diff -u -N -r4572f6cddf7dab06b1de99504a6bbd3680d11e6d -r8068e0c351055554340ac9755d1bc846893bf2b8
--- src/chext/chext.cpp	(.../chext.cpp)	(revision 4572f6cddf7dab06b1de99504a6bbd3680d11e6d)
+++ src/chext/chext.cpp	(.../chext.cpp)	(revision 8068e0c351055554340ac9755d1bc846893bf2b8)
@@ -108,7 +108,7 @@
 	HRESULT hr = E_FAIL;
 	static const wchar_t szUserSwitch[] = _T("user");
 
-	if (pszCmdLine != NULL)
+	if (pszCmdLine != nullptr)
 	{
 		if (_wcsnicmp(pszCmdLine, szUserSwitch, _countof(szUserSwitch)) == 0)
 			AtlSetPerUserRegistration(true);