[libgda] gda-postgres-provider: Avoid an unused variable warning.

[Murray Cumming <murrayc src gnome org>]

commit 8cc8d7b7b94212a131f112c888795ab9143b7fd5
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Apr 30 09:43:36 2015 +0200

    gda-postgres-provider: Avoid an unused variable warning.

 providers/postgres/gda-postgres-provider.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/providers/postgres/gda-postgres-provider.c b/providers/postgres/gda-postgres-provider.c
index eeab7b4..65c1500 100644
--- a/providers/postgres/gda-postgres-provider.c
+++ b/providers/postgres/gda-postgres-provider.c
@@ -245,16 +245,16 @@ gda_postgres_provider_class_init (GdaPostgresProviderClass *klass)
        parent_class = g_type_class_peek_parent (klass);
 
        /* set virtual functions */
-       gda_server_provider_set_impl_functions (GDA_SERVER_PROVIDER_CLASS (klass),
+       gda_server_provider_set_impl_functions (provider_class,
                                                GDA_SERVER_PROVIDER_FUNCTIONS_BASE,
                                                (gpointer) &postgres_base_functions);
        GdaProviderReuseableOperations *ops;
        ops = _gda_postgres_reuseable_get_ops ();
-       gda_server_provider_set_impl_functions (GDA_SERVER_PROVIDER_CLASS (klass),
+       gda_server_provider_set_impl_functions (provider_class,
                                                GDA_SERVER_PROVIDER_FUNCTIONS_META,
                                                (gpointer) &(ops->re_meta_funcs));
 
-       gda_server_provider_set_impl_functions (GDA_SERVER_PROVIDER_CLASS (klass),
+       gda_server_provider_set_impl_functions (provider_class,
                                                GDA_SERVER_PROVIDER_FUNCTIONS_XA,
                                                (gpointer) &postgres_xa_functions);
 }