[jhbuild] 3.20: Use gnome-3.20 branch for gnome-calendar

[Matthias Clasen <matthiasc src gnome org>]

commit 9fd90d6eaa7cd3e57ed3579be629e1f35209d881
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Mar 22 15:03:03 2016 -0400

    3.20: Use gnome-3.20 branch for gnome-calendar

 modulesets/gnome-apps-3.20.modules |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modulesets/gnome-apps-3.20.modules b/modulesets/gnome-apps-3.20.modules
index 6b58d2e..b949761 100644
--- a/modulesets/gnome-apps-3.20.modules
+++ b/modulesets/gnome-apps-3.20.modules
@@ -595,7 +595,7 @@
   </autotools>
 
   <autotools id="gnome-calendar">
-    <branch/>
+    <branch revision="gnome-3-20"/>
     <dependencies>
       <dep package="appstream-glib"/>
       <dep package="gnome-online-accounts"/>