Add package access to rt.lifetime.BlkInfo
Merge pull request #532 from 9rnsr/fix_imports

Issue 313 & 314 - Add package access to rt.lifetime.BlkInfo
Detab core.sys.windows.windows.
Fixes Issue 10469 - Move WinAPI prototypes and enums need by std.process into core.sys.windows.windows.
Merge pull request #533 from AndrejMitrovic/Fix10469

Issue 10469 - Move WinAPI prototypes and enums need by std.process to core.sys.windows.windows