[gnome-control-center] region: Autodisconnect IBusBus "connected" handler

[Robert Ancell <rancell src gnome org>]

commit 88ca2fcdc4c3314c55c60a18be232891aaca9df5
Author: Andrea Azzarone <andrea azzarone canonical com>
Date:   Mon Oct 8 13:09:10 2018 +0100

    region: Autodisconnect IBusBus "connected" handler
    
    Use g_signal_connect_object to ensure handler is not run after object is
    destroyed.
    
    Fixes: GNOME/gnome-control-center#223

 panels/region/cc-region-panel.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/panels/region/cc-region-panel.c b/panels/region/cc-region-panel.c
index 137dc4423..bbae8c0e2 100644
--- a/panels/region/cc-region-panel.c
+++ b/panels/region/cc-region-panel.c
@@ -1330,8 +1330,9 @@ setup_input_section (CcRegionPanel *self)
                 if (ibus_bus_is_connected (self->ibus))
                         fetch_ibus_engines (self);
                 else
-                        g_signal_connect_swapped (self->ibus, "connected",
-                                                  G_CALLBACK (fetch_ibus_engines), self);
+                        g_signal_connect_object (self->ibus, "connected",
+                                                 G_CALLBACK (fetch_ibus_engines), self,
+                                                 G_CONNECT_SWAPPED);
         }
         maybe_start_ibus ();
 #endif