Correcting field name

Source commit: 274ffb471e09771d2d2fd99b73c7eb3c578c2311

source/core/Common.cpp

@@ -1401,7 +1401,7 @@ bool __fastcall IsHex(wchar_t Ch)
 TSearchRecSmart::TSearchRecSmart()
 {
   FLastWriteTimeSource.dwLowDateTime = 0;
-  FLastWriteTimeSource.dwLowDateTime = 0;
+  FLastWriteTimeSource.dwHighDateTime = 0;
 }
 //---------------------------------------------------------------------------
 TDateTime TSearchRecSmart::GetLastWriteTime() const