timezone data: update to 2019c

Update timezone data to 2019c

http://mm.icann.org/pipermail/tz-announce/2019-September/000057.html

2019c:
* Fiji observes DST from 2019-11-10 to 2020-01-12.
* Norfolk Island starts observing Australian-style DST.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
(cherry picked from commit cf887ba)

modules/luci-base/luasrc/sys/zoneinfo/tzdata.lua

@@ -426,7 +426,7 @@ TZ = {
 	{ 'Pacific/Efate', '<+11>-11' },
 	{ 'Pacific/Enderbury', '<+13>-13' },
 	{ 'Pacific/Fakaofo', '<+13>-13' },
-	{ 'Pacific/Fiji', '<+12>-12<+13>,M11.1.0,M1.2.2/123' },
+	{ 'Pacific/Fiji', '<+12>-12<+13>,M11.2.0,M1.2.3/99' },
 	{ 'Pacific/Funafuti', '<+12>-12' },
 	{ 'Pacific/Galapagos', '<-06>6' },
 	{ 'Pacific/Gambier', '<-09>9' },
@@ -441,7 +441,7 @@ TZ = {
 	{ 'Pacific/Midway', 'SST11' },
 	{ 'Pacific/Nauru', '<+12>-12' },
 	{ 'Pacific/Niue', '<-11>11' },
-	{ 'Pacific/Norfolk', '<+11>-11' },
+	{ 'Pacific/Norfolk', '<+11>-11<+12>,M10.1.0,M4.1.0/3' },
 	{ 'Pacific/Noumea', '<+11>-11' },
 	{ 'Pacific/Pago Pago', 'SST11' },
 	{ 'Pacific/Palau', '<+09>-9' },