[gnome-calendar] edit-dialog: add `calendars-list` styleclass to sources_popover.

[Lapo Calamandrei <lapo src gnome org>]

commit 126d6145f26cc17afc76e51db7d23ea469763134
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Fri Jul 8 20:37:20 2016 +0200

    edit-dialog: add `calendars-list` styleclass to sources_popover.

 data/ui/edit-dialog.ui |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/edit-dialog.ui b/data/ui/edit-dialog.ui
index e26e54a..5b32639 100644
--- a/data/ui/edit-dialog.ui
+++ b/data/ui/edit-dialog.ui
@@ -456,6 +456,9 @@
     </child>
   </template>
   <object class="GtkPopover" id="sources_popover">
+  <style>
+    <class name="calendars-list"/>
+  </style>
   </object>
   <object class="GtkPopoverMenu" id="alarms_popover">
     <property name="can_focus">False</property>