[gtkmm] configure.ac: Require latest glibmm and gtk+.

[Murray Cumming <murrayc src gnome org>]

commit efe71a9238c9b3dbccb7f17bfe358ec262b147fb
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Apr 27 12:12:22 2017 +0200

    configure.ac: Require latest glibmm and gtk+.
    
    The GTK+ version exists in git, but not yet in a tarball.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 8b9b614..0e20ceb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -95,7 +95,7 @@ AS_IF([test "x$enable_static" = xyes],
 # gdkmm really does need GTK+, because part of Gdk::DragContext is in GTK+.
 # The extra gdk-pixbuf-2.0 check is because gdkmm requires a newer gdk-pixbuf than gtk+-4.0 requires.
 # TODO: Remove the mention of cairomm once pangomm needs to depend on such a new version.
-AC_SUBST([GDKMM_MODULES], ['giomm-2.54 >= 2.53.1 pangomm-2.42 >= 2.41.2 cairomm-1.16 >= 1.15.3 gtk+-4.0 >= 
3.89.5 gdk-pixbuf-2.0 >= 2.35.5'])
+AC_SUBST([GDKMM_MODULES], ['giomm-2.54 >= 2.53.1.1 pangomm-2.42 >= 2.41.2 cairomm-1.16 >= 1.15.3 gtk+-4.0 >= 
3.91.0 gdk-pixbuf-2.0 >= 2.35.5'])
 
 AS_IF([test "x$gtkmm_host_windows" = xyes],
       [GTKMM_MODULES=$GDKMM_MODULES],