[gnome-sdk-images/gnome-3-26] Bump glib2 to 2.54.3.

[Michael Gratton <mjog src gnome org>]

commit f8b0b85d81c63f240549d32d2800298d1b57ab21
Author: Michael James Gratton <mike vee net>
Date:   Sat Jan 27 13:54:10 2018 +1030

    Bump glib2 to 2.54.3.

 org.gnome.Sdk.json.in |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/org.gnome.Sdk.json.in b/org.gnome.Sdk.json.in
index da888db..c207e9d 100644
--- a/org.gnome.Sdk.json.in
+++ b/org.gnome.Sdk.json.in
@@ -120,8 +120,8 @@
             "sources": [
                 {
                     "type": "archive",
-                    "url": "https://download.gnome.org/sources/glib/2.54/glib-2.54.1.tar.xz";,
-                    "sha256": "50c01b1419324f10fbf9b9709ec2164b18586968bdce7540583bf32302cf47a3"
+                    "url": "https://download.gnome.org/sources/glib/2.54/glib-2.54.3.tar.xz";,
+                    "sha256": "963fdc6685dc3da8e5381dfb9f15ca4b5709b28be84d9d05a9bb8e446abac0a8"
                  }
             ]
         },