[dconf] Increment version to 0.31.2

[Marek Kašík <mkasik src gnome org>]

commit e03cfd5856d203896e403f61ebc3283006c04d3d
Author: Marek Kasik <mkasik redhat com>
Date:   Mon Jan 7 18:20:52 2019 +0100

    Increment version to 0.31.2

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 9c51567..4ebdbb3 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project(
   'dconf', ['c', 'vala'],
-  version: '0.31.1',
+  version: '0.31.2',
   license: 'LGPL2.1+',
   meson_version: '>= 0.46.0',
 )