Fix, on Windows for large amounts of source files, an error was given.
Fix, on Windows for large amounts of source files, an error was given.

* The "del" cannot be spawned it seems.

* Do it ourselves then.

kayhayen/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,wfxiang08/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,tempbottle/Nuitka,tempbottle/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,tempbottle/Nuitka,tempbottle/Nuitka