[tracker] libtracker-miner: Cancel pending async operations during destruction

[Debarshi Ray <debarshir src gnome org>]

commit dc04031e33c5f554040c8a2c3311aaaca51b4043
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Oct 20 18:08:45 2015 +0200

    libtracker-miner: Cancel pending async operations during destruction
    
    https://bugzilla.gnome.org/show_bug.cgi?id=756869

 src/libtracker-miner/tracker-file-notifier.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-file-notifier.c b/src/libtracker-miner/tracker-file-notifier.c
index 93b123b..89ada8d 100644
--- a/src/libtracker-miner/tracker-file-notifier.c
+++ b/src/libtracker-miner/tracker-file-notifier.c
@@ -1405,6 +1405,8 @@ tracker_file_notifier_finalize (GObject *object)
                g_object_unref (priv->data_provider);
        }
 
+       g_cancellable_cancel (priv->cancellable);
+
        g_object_unref (priv->crawler);
        g_object_unref (priv->monitor);
        g_object_unref (priv->file_system);