[gitg] diff-view: Slide the options up

[Alberto Fanjul <albfan src gnome org>]

commit 6dd8b8e009580d563d6cc970a442495d76506fe0
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Tue Oct 16 10:26:25 2018 +0200

    diff-view: Slide the options up
    
    This avoids the options to look like they appear from nowhere and
    instead make them look like they come from the commit tool bar bellow.

 libgitg/resources/ui/gitg-diff-view.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/libgitg/resources/ui/gitg-diff-view.ui b/libgitg/resources/ui/gitg-diff-view.ui
index 8f534efd..e160e5fe 100644
--- a/libgitg/resources/ui/gitg-diff-view.ui
+++ b/libgitg/resources/ui/gitg-diff-view.ui
@@ -83,6 +83,7 @@
                 <property name="can_focus">False</property>
                 <property name="hexpand">True</property>
                 <property name="valign">end</property>
+                <property name="transition_type">slide-up</property>
                 <child>
                   <object class="GitgDiffViewOptions" id="diff_view_options">
                     <property name="visible">True</property>