[goobox] properties.ui: fixed the year field

[Paolo Bacchilega <paobac src gnome org>]

commit 9202347fe11241b10188abf877e9c2f3e5c20453
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Dec 30 22:13:08 2018 +0100

    properties.ui: fixed the year field

 src/ui/properties.ui | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/src/ui/properties.ui b/src/ui/properties.ui
index 4ad6c3f..c6da042 100644
--- a/src/ui/properties.ui
+++ b/src/ui/properties.ui
@@ -16,6 +16,12 @@
       </row>
     </data>
   </object>
+  <object class="GtkAdjustment" id="year_adjustment">
+    <property name="upper">3000</property>
+    <property name="value">2000</property>
+    <property name="step_increment">1</property>
+    <property name="page_increment">10</property>
+  </object>
   <object class="GtkVBox" id="properties_dialog">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -166,6 +172,7 @@
                     <property name="visible">True</property>
                     <property name="sensitive">False</property>
                     <property name="can_focus">True</property>
+                    <property name="adjustment">year_adjustment</property>
                     <property name="climb_rate">1</property>
                     <property name="value">2000</property>
                   </object>