GNU for VMS gnulib_assist

GNV Provides a Framework for Porting Open Source Software to OpenVMS

Brought to you by: billpedersen, hp-gnv-devlp, is014, johnreagan, and 2 others

Commit [cf5f48] Maximize Restore History

Bugfix for previous commit, vms_access start

vms_gnulib_assist.mms: Fix broken test build, add vms_access wrapper.
Bug noticed by Jouk Jansen.

vms_unix_to_vms.c: Fix memory corruption bug reported by compiler.
/optimized reported bug noticed by Jouk Jansen.

vms_access.c: New file - in progress wrapper for access()

test_crtl_lstat.com: Update to better test access() issues.

test_vms_access.c: Reformat to GNULIB standards and enable testing
wrapper.

unistd.h: Add vms_access wrapper.

vms_system_service.h: Add definitions (untested) for vms_access update.

Signed-off-by: John Malmberg <wb8tyw@...>

Authored by: John Malmberg 2020-06-18