[gitg] Make parent grid orientation vertical

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 7261b8a3e6c95609de3abfb96cd08bfbd7889665
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Sun Nov 8 20:54:03 2015 +0100

    Make parent grid orientation vertical

 .../resources/ui/gitg-diff-view-commit-details.ui  |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libgitg/resources/ui/gitg-diff-view-commit-details.ui 
b/libgitg/resources/ui/gitg-diff-view-commit-details.ui
index 483ea27..124a01d 100644
--- a/libgitg/resources/ui/gitg-diff-view-commit-details.ui
+++ b/libgitg/resources/ui/gitg-diff-view-commit-details.ui
@@ -162,6 +162,7 @@
                 <property name="can_focus">False</property>
                 <property name="margin_start">12</property>
                 <property name="hexpand">True</property>
+                <property name="orientation">vertical</property>
               </object>
               <packing>
                 <property name="left_attach">0</property>