scripts/git.orderfile: Display meson files along with buildsys ones

Since commit a56650518f5 ("configure: integrate Meson in the build
system") we replaced many Makefile by Meson files. Adapt the
git.orderfile script to display the new file at the same position.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20200907161222.41915-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
diff --git a/scripts/git.orderfile b/scripts/git.orderfile
index 73fd818..a021afc 100644
--- a/scripts/git.orderfile
+++ b/scripts/git.orderfile
@@ -18,6 +18,7 @@
 configure
 Makefile*
 *.mak
+meson.build
 
 # qapi schema
 qapi/*.json