[gnome-documents] selection-toolbar: Add missing packing info

[Alessandro Bono <abono src gnome org>]

commit 853bef0b2dd6ed4b70022637bd5894b54fab7c3e
Author: Alessandro Bono <abono gnome org>
Date:   Sun Nov 29 20:01:11 2015 +0100

    selection-toolbar: Add missing packing info
    
    https://bugzilla.gnome.org/show_bug.cgi?id=758182

 data/ui/selection-toolbar.ui |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/selection-toolbar.ui b/data/ui/selection-toolbar.ui
index 0f6731f..a09d344 100644
--- a/data/ui/selection-toolbar.ui
+++ b/data/ui/selection-toolbar.ui
@@ -17,6 +17,9 @@
           <property name="visible">1</property>
           <property name="orientation">vertical</property>
         </object>
+        <packing>
+          <property name="pack_type">start</property>
+        </packing>
       </child>
       <child>
         <object class="GtkButton" id="toolbarShare">