Microsoft recommends to avoid using NULL or zero (0) as a null pointer constant since nullptr is less vulnerable to misuse and works better in most situations.
Also fix some cases where NULL was used instead of 0 or FALSE.
third party CFileVersionInfo class which was mostly unused and some duplicated code in DSUtil.
git-svn-id: https://mpc-hc.svn.sourceforge.net/svnroot/mpc-hc/trunk@5138 10f7b99b-c216-0410-bff0-8a66a9350fd8