[gnome-settings-daemon] color: Fix a typo in key summary

[Piotr Drąg <piotrdrag src gnome org>]

commit 2991de1d453cc44ed0206205535e4bf8865da779
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Feb 12 15:40:09 2017 +0100

    color: Fix a typo in key summary

 ...settings-daemon.plugins.color.gschema.xml.in.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/org.gnome.settings-daemon.plugins.color.gschema.xml.in.in 
b/data/org.gnome.settings-daemon.plugins.color.gschema.xml.in.in
index 0f72f37..ff6abb0 100644
--- a/data/org.gnome.settings-daemon.plugins.color.gschema.xml.in.in
+++ b/data/org.gnome.settings-daemon.plugins.color.gschema.xml.in.in
@@ -12,7 +12,7 @@
     </key>
     <key name="night-light-enabled" type="b">
       <default>false</default>
-      <_summary>If the night night mode is enabled</_summary>
+      <_summary>If the night light mode is enabled</_summary>
       <_description>Night light mode changes the color temperature of your display when the sun has gone 
down or at present times.</_description>
     </key>
     <key name="night-light-temperature" type="u">