[libgda] Avoid empty string to translate, fixed bug #696154

[Vivien Malerba <vivien src gnome org>]

commit 55a9df8e0db9a586656c1fa266a37c8c4b76ad86
Author: Vivien Malerba <malerba gnome-db org>
Date:   Tue Mar 19 21:00:36 2013 +0100

    Avoid empty string to translate, fixed bug #696154

 libgda/gda-connection.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgda/gda-connection.c b/libgda/gda-connection.c
index adba0dc..c07fc65 100644
--- a/libgda/gda-connection.c
+++ b/libgda/gda-connection.c
@@ -423,7 +423,7 @@ gda_connection_class_init (GdaConnectionClass *klass)
         */
        g_object_class_install_property (object_class, PROP_EVENTS_HISTORY_SIZE,
                                         g_param_spec_int ("events-history-size", NULL,
-                                                          _(""), EVENTS_ARRAY_SIZE, G_MAXINT,
+                                                          _("Number of history events to keep in memory"), 
EVENTS_ARRAY_SIZE, G_MAXINT,
                                                           EVENTS_ARRAY_SIZE,
                                                           (G_PARAM_READABLE | G_PARAM_WRITABLE)));