Use eabs in Fcurrent_time_zone

* src/timefns.c (Fcurrent_time_zone): Use eabs.
* test/src/timefns-tests.el
(timefns-tests-current-time-zone): New test.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/timefns.c b/src/timefns.c
index e2b39388606..4fb142f2f1b 100644
--- a/src/timefns.c
+++ b/src/timefns.c
@@ -1950,7 +1950,7 @@ the data it can't find.  */)
           /* No local time zone name is available; use numeric zone instead.  */
           long int hour = offset / 3600;
           int min_sec = offset % 3600;
-          int amin_sec = min_sec < 0 ? - min_sec : min_sec;
+          int amin_sec = eabs (min_sec);
           int min = amin_sec / 60;
           int sec = amin_sec % 60;
           int min_prec = min_sec ? 2 : 0;