[jhbuild] [2.30] Use gtkmm-2-20 branch for gtkmm

[Wouter Bolsterlee <wbolster src gnome org>]

commit 25ba9d037676a0fd2e64169ae4cf2d79e136c4c8
Author: Wouter Bolsterlee <wbolster gnome org>
Date:   Sun Jun 6 16:27:52 2010 +0200

    [2.30] Use gtkmm-2-20 branch for gtkmm

 modulesets/gnome-suites-2.30.modules |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modulesets/gnome-suites-2.30.modules b/modulesets/gnome-suites-2.30.modules
index 98c79bd..2285c08 100644
--- a/modulesets/gnome-suites-2.30.modules
+++ b/modulesets/gnome-suites-2.30.modules
@@ -1504,7 +1504,7 @@
   </autotools>
 
   <autotools id="gtkmm">
-    <branch/>
+    <branch revision="gtkmm-2-20"/>
     <dependencies>
       <dep package="pangomm"/>
       <dep package="gtk+"/>