[libgweather] schemas: Add a note on quotation marks to the translator comment

[Piotr Drąg <piotrdrag src gnome org>]

commit e50d397c02e985378eb844c3984657cc70ae9e82
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Mar 5 18:34:16 2018 +0100

    schemas: Add a note on quotation marks to the translator comment

 schemas/org.gnome.GWeather.gschema.xml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/schemas/org.gnome.GWeather.gschema.xml b/schemas/org.gnome.GWeather.gschema.xml
index e05bbd6..1481842 100644
--- a/schemas/org.gnome.GWeather.gschema.xml
+++ b/schemas/org.gnome.GWeather.gschema.xml
@@ -46,7 +46,8 @@
     <key name="default-location" type="(ssm(dd))">
       <!-- TRANSLATORS: pick a default location to use in the weather applet. This should
       usually be the largest city or the capital of your country. If you're not picking
-      a <location> in the database, don't forget to set name and coordinates. -->
+      a <location> in the database, don't forget to set name and coordinates.
+      Do NOT change or localize the quotation marks! -->
       <default l10n="messages">('', 'KNYC', nothing)</default>
       <summary>Default location</summary>
       <description>