same-inode: port better to VMS 8.2 and later Problem reported by John E. Malmberg in: http://lists.gnu.org/archive/html/bug-gnulib/2017-06/msg00005.html * lib/same-inode.h (SAME_INODE) [__VMS && 80200000 <= __CRTL_VER]: Use the usual POSIX definition. * m4/sys_types_h.m4 (gl_SYS_TYPES_H): Define _USE_STD_STAT.