[gtksourceviewmm] Use gtkmm-3.0 instead of gtkmm-2.4.

[Murray Cumming <murrayc src gnome org>]

commit 2f79016fb30641efbdda4b80930a6197c391b7b2
Author: Murray Cumming <murrayc murrayc com>
Date:   Sun Jun 13 08:30:56 2010 +0200

    Use gtkmm-3.0 instead of gtkmm-2.4.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 20c586a..7073b9b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@ AC_SUBST([GTKSOURCEVIEWMM_SO_VERSION], [0:0:0])
 LT_INIT([win32-dll disable-static])
 AC_PROG_CXX
 
-AC_SUBST([GTKSOURCEVIEWMM_MODULES], ['gtkmm-2.4 >= 2.12 gtksourceview-3.0 >= 2.9.7'])
+AC_SUBST([GTKSOURCEVIEWMM_MODULES], ['gtkmm-3.0 >= 2.90 gtksourceview-3.0 >= 2.9.7'])
 PKG_CHECK_MODULES([GTKSOURCEVIEWMM], [$GTKSOURCEVIEWMM_MODULES])
 
 MM_PKG_CONFIG_SUBST([GTHREAD_CFLAGS], [--cflags-only-other gthread-2.0])