[gnome-applets] mini-commander: fix build error

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 77b46d02271ed1b087ac606ba37eccef2626cdaa
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Jul 4 00:25:14 2014 +0300

    mini-commander: fix build error

 mini-commander/src/preferences.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/mini-commander/src/preferences.c b/mini-commander/src/preferences.c
index 138b473..7eb4a55 100644
--- a/mini-commander/src/preferences.c
+++ b/mini-commander/src/preferences.c
@@ -415,6 +415,7 @@ add_response (GtkWidget *window,
                                                   GTK_DIALOG_DESTROY_WITH_PARENT,
                                                   GTK_MESSAGE_ERROR,
                                                   GTK_BUTTONS_OK,
+                                                  "%s",
                                                   error_message);
 
            g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);