[gnome-games/wip/exalm/controller-preferences] ui: Rename hbox1 to content_box in PreferencesWindow

[Alexander Mikhaylenko <alexm src gnome org>]

commit 071ee365730edfd62ce79b0338342eec8b412585
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Wed Sep 12 00:56:26 2018 +0500

    ui: Rename hbox1 to content_box in PreferencesWindow

 data/ui/preferences-window.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/ui/preferences-window.ui b/data/ui/preferences-window.ui
index a0a6e93a..4886df38 100644
--- a/data/ui/preferences-window.ui
+++ b/data/ui/preferences-window.ui
@@ -28,7 +28,7 @@
       </object>
     </child>
     <child>
-      <object class="GtkBox" id="hbox1">
+      <object class="GtkBox" id="content_box">
         <property name="visible">True</property>
         <child>
           <object class="GtkBox" id="sidebar_vbox">