[gnome-session] meson: bump to 3.27.4

[Ray Strode <halfline src gnome org>]

commit 4de507d5a7460c6c3442d1a6fd71074d17d4761a
Author: Ray Strode <rstrode redhat com>
Date:   Tue Jan 9 14:38:47 2018 -0500

    meson: bump to 3.27.4

 meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meson.build b/meson.build
index f220c50..50f8380 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project(
   'gnome-session', 'c',
-  version: '3.27.3',
+  version: '3.27.4',
   license: 'GPL2+',
   default_options: 'buildtype=debugoptimized',
   meson_version: '>= 0.43.0'