[gtkmm/gtkmm-2-24] Fix the previous commit

[Murray Cumming <murrayc src gnome org>]

commit 43ad482936a4afa9935dd85b38c395d3d91ec36a
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Jul 24 07:52:11 2015 +0200

    Fix the previous commit

 tools/m4/filelist.am |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/tools/m4/filelist.am b/tools/m4/filelist.am
index 38c37fb..0394790 100644
--- a/tools/m4/filelist.am
+++ b/tools/m4/filelist.am
@@ -21,4 +21,5 @@ files_codegen_m4 =            \
        convert.m4              \
        convert_gdk.m4          \
        convert_gtk.m4          \
-       convert_gtkmm.m4
+       convert_gtkmm.m4 \
+  list.m4