[gnome-settings-daemon] disable print-notifications plugin when cups is disabled

[Benjamin Berg <bberg src gnome org>]

commit b4d77847590dd1025f409e83fdc24300b187bf77
Author: Tom Briden <tom decompile me uk>
Date:   Tue Sep 15 14:39:45 2020 +0100

    disable print-notifications plugin when cups is disabled

 plugins/meson.build | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/plugins/meson.build b/plugins/meson.build
index c8c10db4..83e01885 100644
--- a/plugins/meson.build
+++ b/plugins/meson.build
@@ -48,6 +48,10 @@ if not enable_colord
   disabled_plugins += ['color']
 endif
 
+if not enable_cups
+  disabled_plugins += ['print-notifications']
+endif
+
 # Specify futher required units, 'before' or 'after' may be specified if ordering is needed
 plugin_gate_units = {
     'xsettings': [