[tracker] tracker-extract: Fixed incorrect free of const gchar*

[Martyn James Russell <mr src gnome org>]

commit 071b23e60b48605ce608bceda45246c26ef20748
Author: Martyn Russell <martyn lanedo com>
Date:   Fri Feb 5 16:52:07 2010 +0000

    tracker-extract: Fixed incorrect free of const gchar*

 src/tracker-extract/tracker-extract.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract.c b/src/tracker-extract/tracker-extract.c
index 05fdaf6..a74684e 100644
--- a/src/tracker-extract/tracker-extract.c
+++ b/src/tracker-extract/tracker-extract.c
@@ -438,7 +438,7 @@ tracker_extract_get_metadata_by_cmdline (TrackerExtract *object,
 	if (get_file_metadata (object, request_id,
 			       NULL, uri, mime,
 			       &preupdate, &statements)) {
-		gchar *preupdate_str, *statements_str;
+		const gchar *preupdate_str, *statements_str;
 
 		preupdate_str = statements_str = NULL;
 
@@ -457,8 +457,6 @@ tracker_extract_get_metadata_by_cmdline (TrackerExtract *object,
 
 		g_object_unref (statements);
 		g_object_unref (preupdate);
-		g_free (statements_str);
-		g_free (preupdate_str);
 	}
 
 	tracker_dbus_request_success (request_id, NULL);