[gnome-builder] create-project: disable horizontal scrollbar

[Christian Hergert <chergert src gnome org>]

commit 9a7d9970153fe7d792bce0d627f00360b6489052
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 31 04:24:42 2018 -0800

    create-project: disable horizontal scrollbar
    
    We don't need horizontal scrollability here, just vertical.

 src/plugins/create-project/gbp-create-project-widget.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/plugins/create-project/gbp-create-project-widget.ui 
b/src/plugins/create-project/gbp-create-project-widget.ui
index 3492ace80..3f313d7b7 100644
--- a/src/plugins/create-project/gbp-create-project-widget.ui
+++ b/src/plugins/create-project/gbp-create-project-widget.ui
@@ -6,6 +6,7 @@
         <property name="visible">true</property>
         <property name="propagate-natural-height">true</property>
         <property name="propagate-natural-width">true</property>
+        <property name="hscrollbar-policy">never</property>
         <child>
           <object class="GtkBox">
             <property name="orientation">vertical</property>