[tracker] tracker-extract: Fix compiler warning

[Carlos Garnacho <carlosg src gnome org>]

commit 91be4b56f37f01990e15f17c81bb4dde4db704c1
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Jun 3 16:39:05 2011 +0200

    tracker-extract: Fix compiler warning

 src/tracker-extract/tracker-controller.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-extract/tracker-controller.c b/src/tracker-extract/tracker-controller.c
index 4657306..70edf16 100644
--- a/src/tracker-extract/tracker-controller.c
+++ b/src/tracker-extract/tracker-controller.c
@@ -483,7 +483,7 @@ handle_method_call_cancel_tasks (TrackerController     *controller,
                                  GVariant              *parameters)
 {
 	TrackerDBusRequest *request;
-	const gchar **uris;
+	gchar **uris;
 	gint i;
 
 #ifdef THREAD_ENABLE_TRACE