[libgweather] locations: Fix AoE timezone

[Bastien Nocera <hadess src gnome org>]

commit 8556440ac4cf515e70027cf24fb3d19e15ea43a3
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Dec 6 16:53:43 2017 +0100

    locations: Fix AoE timezone
    
    Sigh POSIX timezone naming. The timezone for Anywhere on Earth
    (https://en.wikipedia.org/wiki/Anywhere_on_Earth) is:
    UTC-12 (https://en.wikipedia.org/wiki/UTC%E2%88%9212:00)
    
    So the tzdata zone is Etc/GMT+12, thanks to POSIX timezone names:
    https://en.wikipedia.org/wiki/Tz_database#Area

 data/Locations.xml |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/Locations.xml b/data/Locations.xml
index c5afd66..333b99d 100644
--- a/data/Locations.xml
+++ b/data/Locations.xml
@@ -13,9 +13,9 @@
     <!-- TRANSLATORS: This is the designation for the last (most west) timezone on Earth -->
     <_name>Anywhere on Earth (AoE)</_name>
     <timezones>
-      <timezone id="Etc/GMT-12" />
+      <timezone id="Etc/GMT+12" />
     </timezones>
-    <tz-hint>Etc/GMT-12</tz-hint>
+    <tz-hint>Etc/GMT+12</tz-hint>
     <code>@AoE</code>
   </named-timezone>
   <region>