Index: src/libchcore/TDateTime.cpp
===================================================================
diff -u -N -rad4fe0f8085b15527158073aa76eb2d9ef80b0e5 -r8068e0c351055554340ac9755d1bc846893bf2b8
--- src/libchcore/TDateTime.cpp	(.../TDateTime.cpp)	(revision ad4fe0f8085b15527158073aa76eb2d9ef80b0e5)
+++ src/libchcore/TDateTime.cpp	(.../TDateTime.cpp)	(revision 8068e0c351055554340ac9755d1bc846893bf2b8)
@@ -116,7 +116,7 @@
 
 	void TDateTime::SetCurrentDateTime()
 	{
-		m_tTime = _time64(NULL);
+		m_tTime = _time64(nullptr);
 	}
 
 	void TDateTime::GetAsSystemTime(SYSTEMTIME& tSystemTime) const
@@ -145,7 +145,7 @@
 		const size_t stMaxBufSize = 1024;
 		wchar_t* pszBuffer = strTmp.GetBuffer(stMaxBufSize);
 
-		PCTSTR pszFmt = NULL;
+		PCTSTR pszFmt = nullptr;
 		if (bUseDate && bUseTime)
 			pszFmt = _T("%x %X");
 		else if (bUseDate)