[libgda] GdaConnection: Fix memory leak at get meta store

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 010254dee1c81480bc0e7d4685137ae8ae52f82b
Author: Daniel Espinosa <esodan gmail com>
Date:   Tue Apr 23 09:00:01 2019 -0500

    GdaConnection: Fix memory leak at get meta store

 libgda/gda-connection.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/libgda/gda-connection.c b/libgda/gda-connection.c
index 79f9a4a5e..6a78f0e0b 100644
--- a/libgda/gda-connection.c
+++ b/libgda/gda-connection.c
@@ -5418,6 +5418,7 @@ gda_connection_get_meta_store_data_v (GdaConnection *cnc, GdaConnectionMetaType
        }
        parser = gda_sql_parser_new ();
        stmt = gda_sql_parser_parse_string (parser, sql, NULL, error);
+  g_object_unref (parser);
        if (stmt == NULL) {
                g_set_error (error, GDA_SERVER_PROVIDER_ERROR, GDA_SERVER_PROVIDER_INTERNAL_ERROR,
                              _("Internal error while creating statement to retrieve data: %s"),