[gdm] meson: bump to 3.38.0

[Ray Strode <halfline src gnome org>]

commit 6fc40ac6aa37c8ad87c32f0b1a5d813d34bf7770
Author: Ray Strode <rstrode redhat com>
Date:   Fri Sep 11 16:14:33 2020 -0400

    meson: bump to 3.38.0

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index c1c98de6..7e336bfa 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gdm', 'c',
-  version: '3.37.90',
+  version: '3.38.0',
   license: 'GPL2+',
   meson_version: '>= 0.50',
 )