[simple-scan] Fix autosave of Page Side property in org.gnome.SimpleScan.gschema.xml

[Bartosz <bkosiorek src gnome org>]

commit bdde8b3bb14816ca33d459c503d7ee7804067753
Author: Bartosz Kosiorek <gang65 poczta onet pl>
Date:   Tue Nov 30 12:53:52 2021 +0100

    Fix autosave of Page Side property in org.gnome.SimpleScan.gschema.xml
    
    Fixes: #273

 data/org.gnome.SimpleScan.gschema.xml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/org.gnome.SimpleScan.gschema.xml b/data/org.gnome.SimpleScan.gschema.xml
index 35e0f6fc..290add1f 100644
--- a/data/org.gnome.SimpleScan.gschema.xml
+++ b/data/org.gnome.SimpleScan.gschema.xml
@@ -1,8 +1,8 @@
 <schemalist>
   <enum id="org.gnome.SimpleScan.PageSide">
-    <value value="1" nick="front"/>
-    <value value="2" nick="back"/>
-    <value value="3" nick="both"/>
+    <value value="0" nick="front"/>
+    <value value="1" nick="back"/>
+    <value value="2" nick="both"/>
   </enum>
 
   <schema id="org.gnome.SimpleScan" path="/org/gnome/simple-scan/" gettext-domain="simple-scan">