[tracker] extract: Plug huge leak

[Carlos Garnacho <carlosg src gnome org>]

commit e402b937f611d5e4f1dda7ca0c847aba0e104e34
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Apr 6 17:37:11 2011 +0200

    extract: Plug huge leak
    
    Every GDBusMethodInvocation in handle_method_get_metadata_fast() was
    being leaked, since that function is handling the replies itself.

 src/tracker-extract/tracker-extract.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract.c b/src/tracker-extract/tracker-extract.c
index 0813533..67b705e 100644
--- a/src/tracker-extract/tracker-extract.c
+++ b/src/tracker-extract/tracker-extract.c
@@ -687,6 +687,11 @@ bail_out:
 	g_object_unref (fd_list);
 	g_object_unref (reply);
 
+	/* We are replying ourselves to the
+	 * message, so just unref the invocation
+	 */
+	g_object_unref (invocation);
+
 	if (!priv->disable_shutdown) {
 		/* Unset alarm so the extractor doesn't die when it's idle */
 		alarm (0);