[tracker] libtracker-miner: Use tracker_processing_task_unref() instead of _free() to fix build

[Carlos Garnacho <carlosg src gnome org>]

commit e1f68b81dc2ca29240245a9d9b3732c310bf8fb3
Author: Martyn Russell <martyn lanedo com>
Date:   Thu Jul 7 11:55:18 2011 +0100

    libtracker-miner: Use tracker_processing_task_unref() instead of _free() to fix build

 src/libtracker-miner/tracker-miner-fs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-miner-fs.c b/src/libtracker-miner/tracker-miner-fs.c
index 913c8c8..511d936 100644
--- a/src/libtracker-miner/tracker-miner-fs.c
+++ b/src/libtracker-miner/tracker-miner-fs.c
@@ -1677,7 +1677,7 @@ item_add_or_update_cb (TrackerMinerFS        *fs,
 		fs->priv->total_files_notified_error++;
 
 		tracker_processing_pool_remove_task (fs->priv->processing_pool, task);
-		tracker_processing_task_free (task);
+		tracker_processing_task_unref (task);
 
 		item_queue_handlers_set_up (fs);
 	} else {