[jhbuild] 3.24: use gnome-3-24 branch for gnome-system-monitor

[Jonh Wendell <jwendell src gnome org>]

commit 79c9739c3a02c8f9e173b5ea130460ce642a0070
Author: Jonh Wendell <jonh wendell redhat com>
Date:   Thu Apr 13 17:55:52 2017 -0300

    3.24: use gnome-3-24 branch for gnome-system-monitor

 modulesets/gnome-suites-core-3.24.modules |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modulesets/gnome-suites-core-3.24.modules b/modulesets/gnome-suites-core-3.24.modules
index 81425d4..86f9ec5 100644
--- a/modulesets/gnome-suites-core-3.24.modules
+++ b/modulesets/gnome-suites-core-3.24.modules
@@ -987,7 +987,7 @@
   </autotools>
 
   <autotools id="gnome-system-monitor">
-    <branch/>
+    <branch revision="gnome-3-24"/>
     <dependencies>
       <dep package="intltool"/>
       <dep package="glib"/>