[gnome-builder] quick-highlight plugin: fix wrong object for a signal

[Sébastien Lafargue <slafargue src gnome org>]

commit 707d325c2902316133b1fa2c29dce5146cb22840
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Mon Oct 24 19:59:28 2016 +0200

    quick-highlight plugin: fix wrong object for a signal
    
    We need to disconnect the 'changed' signal on the settings,
    not on the buffer

 .../gbp-quick-highlight-view-addin.c               |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/quick-highlight/gbp-quick-highlight-view-addin.c 
b/plugins/quick-highlight/gbp-quick-highlight-view-addin.c
index da5094d..70e3821 100644
--- a/plugins/quick-highlight/gbp-quick-highlight-view-addin.c
+++ b/plugins/quick-highlight/gbp-quick-highlight-view-addin.c
@@ -306,8 +306,8 @@ gbp_quick_highlight_view_addin_unload (IdeEditorViewAddin *addin,
 
   ide_clear_signal_handler (buffer, &self->notify_style_scheme_handler);
   ide_clear_signal_handler (buffer, &self->mark_set_handler);
-  ide_clear_signal_handler (buffer, &self->changed_enabled_handler);
   ide_clear_signal_handler (buffer, &self->delete_range_handler);
+  ide_clear_signal_handler (self->settings, &self->changed_enabled_handler);
 
   g_clear_object (&self->search_settings);
   g_clear_object (&self->search_context);