[gnome-continuous] Replace libgsystem with libglnx: The former is failing to build and is archived

[Javier Jardón Cabezas <jjardon src gnome org>]

commit 705ac4d0afde24dcaafb6b43f33ecd665d344915
Author: Javier Jardón <jjardon gnome org>
Date:   Sun Mar 17 16:03:31 2019 -0700

    Replace libgsystem with libglnx: The former is failing to build and is archived
    
    libglnx is the successor to libgsystem

 manifest.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 6dbb832..9060533 100644
--- a/manifest.json
+++ b/manifest.json
@@ -158,8 +158,8 @@
                {"src": "gnome:libxslt.git",
                  "name": "libxslt2"},
 
-               {"src": "gnome-archive:libgsystem.git",
-                 "name": "libgsystem",
+               {"src": "gnome:libglnx.git",
+                 "name": "libglnx",
                 "component": "minimal"},
 
                {"src": "fd:pixman",