[libgda] Correctly print the number of rows in gda_data_model_dump()

[Vivien Malerba <vivien src gnome org>]

commit 70f2376fef89813dd51c13962989abeb0ab67c28
Author: Vivien Malerba <malerba gnome-db org>
Date:   Tue Oct 26 20:59:00 2010 +0200

    Correctly print the number of rows in gda_data_model_dump()

 libgda/gda-data-model.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/libgda/gda-data-model.c b/libgda/gda-data-model.c
index 16911ba..b0bb221 100644
--- a/libgda/gda-data-model.c
+++ b/libgda/gda-data-model.c
@@ -2415,7 +2415,10 @@ real_gda_data_model_dump_as_string (GdaDataModel *model, gboolean dump_attribute
 			g_strfreev (cols_str [i]);
 		g_free (cols_str);
 	}
-	g_string_append_printf (string, ngettext("(%d row)\n", "(%d rows)\n", n_rows), n_rows);
+	if (n_rows < 0)
+		g_string_append_printf (string, _("(error getting data)\n"));
+	else
+		g_string_append_printf (string, ngettext("(%d row)\n", "(%d rows)\n", n_rows), n_rows);
 
  out:
 	if (ramodel)