São Tomé and Príncipe switch is at 02:00

(Thanks to Michael Deckers.)
* africa (Africa/Sao_Tome): The switch is at 02:00, not 00:00.
* NEWS: Mention this.

Author: eggert

NEWS

@@ -7,8 +7,9 @@ Unreleased, experimental changes
 
   Changes to past and future timestamps
 
-    São Tomé and Príncipe switches back from +01 to +00 on 2019-01-01,
-    due to a change in government.  (Thanks to Vadim Nasardinov.)
+    Due to a change in government, São Tomé and Príncipe switches back
+    from +01 to +00 on 2019-01-01 at 02:00.  (Thanks to Vadim
+    Nasardinov and Michael Deckers.)
 
 
 Release 2018h - 2018-12-23 17:59:32 -0800

africa

@@ -1147,11 +1147,16 @@ Zone	Indian/Reunion	3:41:52 -	LMT	1911 Jun # Saint-Denis
 # From Vadim Nasardinov (2018-12-29):
 # São Tomé and Príncipe is about to do the following on Jan 1, 2019:
 # https://www.stp-press.st/2018/12/05/governo-jesus-ja-decidiu-repor-hora-legal-sao-tomense/
+#
+# From Michael Deckers (2018-12-30):
+# https://www.legis-palop.org/download.jsp?idFile=102818
+# ... [The legal time of the country, which coincides with universal
+# coordinated time, will be restituted at 2 o'clock on day 1 of January, 2019.]
 
 Zone	Africa/Sao_Tome	 0:26:56 -	LMT	1884
 			-0:36:45 -	LMT	1912 Jan  1 00:00u # Lisbon MT
 			 0:00	-	GMT	2018 Jan  1 01:00
-			 1:00	-	WAT	2019 Jan  1
+			 1:00	-	WAT	2019 Jan  1 02:00
 			 0:00	-	GMT
 
 # Senegal