[epiphany] Avoid some more deprecated properties

[Michael Catanzaro <mcatanzaro src gnome org>]

commit ab4dccf625879a3351c720a0d0dfb30739b063e1
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sun Aug 17 08:05:18 2014 -0500

    Avoid some more deprecated properties

 src/resources/clear-data-dialog.ui |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/resources/clear-data-dialog.ui b/src/resources/clear-data-dialog.ui
index fcbb204..872c80d 100644
--- a/src/resources/clear-data-dialog.ui
+++ b/src/resources/clear-data-dialog.ui
@@ -119,8 +119,8 @@
                   <object class="GtkBox" id="box3">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
-                    <property name="margin_left">10</property>
-                    <property name="margin_right">10</property>
+                    <property name="margin_start">10</property>
+                    <property name="margin_end">10</property>
                     <property name="margin_top">10</property>
                     <property name="margin_bottom">10</property>
                     <property name="orientation">vertical</property>