[libgda] GdaMetaStore: Fix memory leak at dispose internal parser

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit a30a68ca2b66d7af8915835560b467c386961440
Author: Daniel Espinosa <esodan gmail com>
Date:   Wed Apr 24 08:37:50 2019 -0500

    GdaMetaStore: Fix memory leak at dispose internal parser

 libgda/gda-meta-store.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/libgda/gda-meta-store.c b/libgda/gda-meta-store.c
index fa7d8a72c..9e04700b7 100644
--- a/libgda/gda-meta-store.c
+++ b/libgda/gda-meta-store.c
@@ -1101,6 +1101,10 @@ gda_meta_store_dispose (GObject *object)
                g_object_unref (G_OBJECT (priv->cnc));
                priv->cnc = NULL;
        }
+       if (priv->parser) {
+               g_object_unref (G_OBJECT (priv->parser));
+               priv->parser = NULL;
+       }
   if (priv->db_objects) {
     g_slist_free_full (priv->db_objects, (GDestroyNotify) db_object_free);
     priv->db_objects = NULL;