[gnome-build-meta] elements/core/gnome-session.bst: Disable elogind support

[Javier Jardón Cabezas <jjardon src gnome org>]

commit b4727f91ba17de9098c6b5e8ff62163e2a7ca2b2
Author: Javier Jardón <jjardon gnome org>
Date:   Tue Mar 19 22:52:47 2019 -0700

    elements/core/gnome-session.bst: Disable elogind support
    
    If not build will fail with:
    "
    meson.build:126:0: ERROR:  Assert failed: Can not support systemd and elogind at once
    "

 elements/core/gnome-session.bst | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/elements/core/gnome-session.bst b/elements/core/gnome-session.bst
index fc6d3a00..a54d01f5 100644
--- a/elements/core/gnome-session.bst
+++ b/elements/core/gnome-session.bst
@@ -21,3 +21,5 @@ depends:
   type: build
 - filename: base-platform.bst
   junction: freedesktop-sdk.bst
+variables:
+  meson-local: -Delogind=false