[jhbuild] core-deps-3.20: use glibmm-2-48 branch

[Alberts Muktupāvels <muktupavels src gnome org>]

commit dd1fa6ebec25622e29f9db732174bd79e2bd3136
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Mar 31 19:10:50 2016 +0300

    core-deps-3.20: use glibmm-2-48 branch

 modulesets/gnome-suites-core-deps-3.20.modules |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modulesets/gnome-suites-core-deps-3.20.modules b/modulesets/gnome-suites-core-deps-3.20.modules
index 3e4639e..dd03aaa 100644
--- a/modulesets/gnome-suites-core-deps-3.20.modules
+++ b/modulesets/gnome-suites-core-deps-3.20.modules
@@ -391,7 +391,7 @@
   </autotools>
 
   <autotools id="glibmm">
-    <branch/>
+    <branch revision="glibmm-2-48"/>
     <dependencies>
       <dep package="glib"/>
       <dep package="libsigcplusplus"/>