Update from Gnulib

This incorporates:
2018-09-10 timespec: fix resolution confusion
2018-09-09 mktime: simplify in prep for glibc merge
2018-09-07 intprops: minor clarification of code
2018-09-06 stddef: Override max_align_t on NetBSD 8.0/x86
2018-09-06 fcntl: Fix F_DUPFD_CLOEXEC behaviour on Haiku
2018-09-06 strtoll, strtoull: Rely on limits-h module
2018-09-06 limits-h: Provide numerical limits macros
2018-09-06 fcntl: Don't access nonexistent optional argument
2018-09-02 mktime: fix unlikely race+overflow bug
2018-08-31 mktime, timegm: simplify glibc time64_t
2018-08-31 mktime, timegm: simplify merge to glibc
* build-aux/config.guess, build-aux/config.sub:
* lib/dtotimespec.c, lib/fcntl.c, lib/intprops.h:
* lib/limits.in.h, lib/mktime-internal.h, lib/mktime.c:
* lib/stat-time.h, lib/strtol.c, lib/timegm.c:
* lib/timespec-add.c, lib/timespec-sub.c, lib/timespec.h:
* lib/utimens.c, m4/limits-h.m4, m4/stddef_h.m4:
Copy from Gnulib.

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/timespec-sub.c b/lib/timespec-sub.c
index 398a6a5de47..9eac36e51ac 100644
--- a/lib/timespec-sub.c
+++ b/lib/timespec-sub.c
@@ -19,7 +19,7 @@
 
 /* Return the difference between two timespec values A and B.  On
    overflow, return an extremal value.  This assumes 0 <= tv_nsec <
-   TIMESPEC_RESOLUTION.  */
+   TIMESPEC_HZ.  */
 
 #include <config.h>
 #include "timespec.h"
@@ -38,7 +38,7 @@ timespec_sub (struct timespec a, struct timespec b)
 
   if (ns < 0)
     {
-      rns = ns + TIMESPEC_RESOLUTION;
+      rns = ns + TIMESPEC_HZ;
       if (bs < tmax)
         bs++;
       else if (- TYPE_SIGNED (time_t) < rs)
@@ -63,7 +63,7 @@ timespec_sub (struct timespec a, struct timespec b)
       else
         {
           rs = tmax;
-          rns = TIMESPEC_RESOLUTION - 1;
+          rns = TIMESPEC_HZ - 1;
         }
     }