[gnome-builder] build-panel: add a bit more spacing

[Christian Hergert <chergert src gnome org>]

commit 84cbc0b54fbb5eb78eecf573f3a39ffcd81be39b
Author: Christian Hergert <christian hergert me>
Date:   Tue Dec 22 04:31:02 2015 -0800

    build-panel: add a bit more spacing

 plugins/build-tools/gbp-build-panel.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/build-tools/gbp-build-panel.ui b/plugins/build-tools/gbp-build-panel.ui
index ad7f0b4..8cbc219 100644
--- a/plugins/build-tools/gbp-build-panel.ui
+++ b/plugins/build-tools/gbp-build-panel.ui
@@ -56,7 +56,7 @@
             <child>
               <object class="GtkBox">
                 <property name="visible">true</property>
-                <property name="margin-top">6</property>
+                <property name="margin-top">12</property>
                 <property name="halign">end</property>
                 <property name="hexpand">true</property>
                 <property name="spacing">6</property>