gnucash unstable: Fix timezone constructor crash when zone file has no transitions.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/5af21dfa (commit)
	from  https://github.com/Gnucash/gnucash/commit/0026b108 (commit)



commit 5af21dfad816a2a41594c02512b1dfc97818f60a
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon Dec 18 09:48:17 2017 -0800

    Fix timezone constructor crash when zone file has no transitions.

diff --git a/libgnucash/engine/gnc-timezone.cpp b/libgnucash/engine/gnc-timezone.cpp
index 0a26b48..96f164c 100644
--- a/libgnucash/engine/gnc-timezone.cpp
+++ b/libgnucash/engine/gnc-timezone.cpp
@@ -677,8 +677,9 @@ TimeZoneProvider::parse_file(const std::string& tzname)
 /* if the transitions end before the end of the zoneinfo coverage
  * period then the zone rescinded DST and we need a final no-dstzone.
  */
-    if (last_time.is_not_a_date_time() ||
-        last_time.date().year() < parser.last_year)
+    if (last_time.is_not_a_date_time())
+        zone_vector.push_back(zone_no_dst(max_year, last_info));
+    else if (last_time.date().year() < parser.last_year)
         zone_vector.push_back(zone_no_dst(last_time.date().year(), last_info));
 }
 



Summary of changes:
 libgnucash/engine/gnc-timezone.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)