[gtkmm] Fixed the build.

[Murray Cumming <murrayc src gnome org>]

commit c291efd10f3519109a8e631d7c7f468f0b6f7aa6
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Jul 13 17:23:32 2009 +0200

    Fixed the build.
    
    	* tools/m4/convert_gtk.m4: Added conversions now needed in gdk/src/pixbuf.hg.

 tools/m4/convert_gtk.m4 |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/tools/m4/convert_gtk.m4 b/tools/m4/convert_gtk.m4
index cf64be3..97722ae 100644
--- a/tools/m4/convert_gtk.m4
+++ b/tools/m4/convert_gtk.m4
@@ -631,6 +631,10 @@ _CONVERSION(`const Glib::RefPtr<const Gio::File>&',`GFile*',__CONVERT_CONST_REFP
 _CONVERSION(`GFile*',`Glib::RefPtr<Gio::File>',`Glib::wrap($3)')
 _CONVERSION(`GFile*',`Glib::RefPtr<const Gio::File>',`Glib::wrap($3)')
 
+_CONVERSION(`const Glib::RefPtr<Gio::Cancellable>&',`GCancellable*',__CONVERT_CONST_REFPTR_TO_P)
+_CONVERSION(`const Glib::RefPtr<Gio::InputStream>&',`GInputStream*',__CONVERT_CONST_REFPTR_TO_P)
+
+
 
 _CONVERSION(`GtkDragResult',`DragResult',`($2)$3')