[tracker] TrackerMiner(Files): Fix some build warnings.

[Carlos Garnacho <carlosg src gnome org>]

commit 0286515d38e8e1700a1cdcfbba0ec6a8db6d512a
Author: Carlos Garnacho <carlos gnome org>
Date:   Wed Dec 2 14:33:59 2009 +0200

    TrackerMiner(Files): Fix some build warnings.

 src/libtracker-miner/tracker-miner.c       |    4 ++--
 src/tracker-miner-fs/tracker-miner-files.c |    5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-miner.c b/src/libtracker-miner/tracker-miner.c
index a17c193..6c8f704 100644
--- a/src/libtracker-miner/tracker-miner.c
+++ b/src/libtracker-miner/tracker-miner.c
@@ -740,7 +740,7 @@ async_call_data_update_callback (AsyncCallData *data,
 		result = g_simple_async_result_new_from_error (G_OBJECT (data->miner),
 		                                               callback,
 		                                               data->user_data,
-		                                               error);
+		                                               (GError *) error);
 	} else {
 		result = g_simple_async_result_new (G_OBJECT (data->miner),
 						    callback,
@@ -911,7 +911,7 @@ tracker_miner_stop (TrackerMiner *miner)
  * Tells the miner to mark @subjects are writeback.
  **/
 void
-tracker_miner_writeback (TrackerMiner *miner, 
+tracker_miner_writeback (TrackerMiner *miner,
 			 const GStrv   subjects)
 {
 	g_return_if_fail (TRACKER_IS_MINER (miner));
diff --git a/src/tracker-miner-fs/tracker-miner-files.c b/src/tracker-miner-fs/tracker-miner-files.c
index 208cab0..4733cbb 100644
--- a/src/tracker-miner-fs/tracker-miner-files.c
+++ b/src/tracker-miner-fs/tracker-miner-files.c
@@ -542,6 +542,7 @@ init_mount_points_cb (GObject      *source,
                       gpointer      user_data)
 {
 	GError *error = NULL;
+
 	tracker_miner_execute_update_finish (TRACKER_MINER (source),
 	                                     result,
 	                                     &error);
@@ -549,7 +550,7 @@ init_mount_points_cb (GObject      *source,
 	if (error) {
 		g_critical ("Could not initialize currently active mount points: %s",
 			    error->message);
-		g_error (error);
+		g_error_free (error);
 	}
 }
 
@@ -566,7 +567,7 @@ query_mount_points_cb (GObject      *source,
 	GString *accumulator;
 	gint i;
 	GError *error = NULL;
-	GPtrArray *query_results;
+	const GPtrArray *query_results;
 #ifdef HAVE_HAL
 	GSList *udis, *u;
 #endif