[tracker-miners] tracker-extract-gstreamer: Plug leak

[Carlos Garnacho <carlosg src gnome org>]

commit 74f895ccb9d5b19e3bb65514c126b4ca0d0e2b92
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sun Sep 9 12:28:21 2018 +0200

    tracker-extract-gstreamer: Plug leak

 src/tracker-extract/tracker-extract-gstreamer.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/tracker-extract/tracker-extract-gstreamer.c b/src/tracker-extract/tracker-extract-gstreamer.c
index 02bf5f71b..3546069a6 100644
--- a/src/tracker-extract/tracker-extract-gstreamer.c
+++ b/src/tracker-extract/tracker-extract-gstreamer.c
@@ -585,6 +585,7 @@ extractor_maybe_get_album_disc (MetadataExtractor *extractor,
 
        g_free (album_artist_name);
        g_free (track_artist_temp);
+       g_free (album_title);
 
        return album_disc;
 }