[vino] gschema: Fix gettext-domain

[Piotr Drąg <piotrdrag src gnome org>]

commit d97cbba78bf834af360b75e581afc7e4208f6fd3
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Oct 1 19:27:28 2017 +0200

    gschema: Fix gettext-domain

 common/org.gnome.Vino.gschema.xml |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/common/org.gnome.Vino.gschema.xml b/common/org.gnome.Vino.gschema.xml
index 3c9cfe5..73655de 100644
--- a/common/org.gnome.Vino.gschema.xml
+++ b/common/org.gnome.Vino.gschema.xml
@@ -1,5 +1,6 @@
+<?xml version='1.0' encoding='UTF-8'?>
 <schemalist>
-  <schema id='org.gnome.Vino' path='/org/gnome/desktop/remote-access/'>
+  <schema id='org.gnome.Vino' path='/org/gnome/desktop/remote-access/' gettext-domain='vino'>
     <key name='prompt-enabled' type='b'>
       <summary>Prompt the user before completing a connection</summary>
       <description>