[libsigc++2] Require mm-common 0.9.8

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 2c19cfbbb515120ee34fa97cc82eafb8a99ed1fb
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Fri Jul 17 17:09:03 2015 +0200

    Require mm-common 0.9.8

 configure.ac |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 2387002..b94dc78 100644
--- a/configure.ac
+++ b/configure.ac
@@ -30,8 +30,7 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
 AM_MAINTAINER_MODE
 AC_ARG_VAR([ACLOCAL_FLAGS], [aclocal flags, e.g. -I <macro dir>])
 
-#TODO: Require mm-common 0.9.8 when it is available
-MM_PREREQ([0.9.7])
+MM_PREREQ([0.9.8])
 MM_INIT_MODULE([sigc++-2.0])
 MM_CONFIG_DOCTOOL_DIR([docs])