fix Issue 10457 - _d_toObject might fail with shared libraries

- Interface.offset can't be negative so it should be an unsigned value
Issue 10344 Exiting _Dmain should flush all FILE*s and return nonzero on failure
Merge pull request #530 from lionello/fix10344

Issue 10344 Exiting _Dmain should flush all FILE*s and return nonzero on failure
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
Add types and constants for Linux/PPC64.

Adds types and constants for Linux/PPC64 to changed modules.
Merge pull request #535 from redstar/ppc64

Add types and constants for Linux/PPC64.
Merge pull request #529 from dawgfoto/fix10457

fix Issue 10457 - _d_toObject might fail with shared libraries