[polari] flatpak: Update to stable gspell release

[Florian Müllner <fmuellner src gnome org>]

commit 49c9662300b1d0725b8a9e7d3280ca111c7242f6
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Mar 20 20:38:52 2017 +0100

    flatpak: Update to stable gspell release

 org.gnome.Polari-unstable.json |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/org.gnome.Polari-unstable.json b/org.gnome.Polari-unstable.json
index 72ee8d7..da14a02 100644
--- a/org.gnome.Polari-unstable.json
+++ b/org.gnome.Polari-unstable.json
@@ -132,8 +132,8 @@
             "sources": [
                 {
                     "type": "archive",
-                    "url": "https://download.gnome.org/sources/gspell/1.3/gspell-1.3.3.tar.xz";,
-                    "sha256": "b9f798599cd4f785709c0de95614c99603b3649accaf356dd4031522405bc212"
+                    "url": "https://download.gnome.org/sources/gspell/1.4/gspell-1.4.0.tar.xz";,
+                    "sha256": "8d317c6bf6ae298b0a6c89aed63bc133c85c8ce7e8e799d870da560ad10b2d4e"
                 }
             ]
         },