[gnome-flashback] display-config: fix monitor-changed signal

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 2f44b043ba3a8ffb91bc3af836a8c6410a6e0642
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Jun 29 19:36:05 2016 +0300

    display-config: fix monitor-changed signal

 .../libdisplay-config/flashback-monitor-manager.c  |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gnome-flashback/libdisplay-config/flashback-monitor-manager.c 
b/gnome-flashback/libdisplay-config/flashback-monitor-manager.c
index 1a26882..796aaab 100644
--- a/gnome-flashback/libdisplay-config/flashback-monitor-manager.c
+++ b/gnome-flashback/libdisplay-config/flashback-monitor-manager.c
@@ -1620,8 +1620,9 @@ flashback_monitor_manager_class_init (FlashbackMonitorManagerClass *manager_clas
   g_object_class_install_properties (object_class, N_PROPERTIES,
                                      object_properties);
 
-  g_signal_new ("monitors-changed", FLASHBACK_TYPE_MONITOR_MANAGER,
-                G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
+  signals[MONITORS_CHANGED] =
+    g_signal_new ("monitors-changed", FLASHBACK_TYPE_MONITOR_MANAGER,
+                  G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
 }
 
 static void