[glom] Added a little error output.

[Murray Cumming <murrayc src gnome org>]

commit 7f4788290a66f9a54f765105bc6912f258944e42
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Jan 15 20:03:12 2014 +0100

    Added a little error output.

 glom/appwindow.cc |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/glom/appwindow.cc b/glom/appwindow.cc
index 4b86cf8..75a6205 100644
--- a/glom/appwindow.cc
+++ b/glom/appwindow.cc
@@ -1769,6 +1769,8 @@ bool AppWindow::recreate_database_from_backup(const Glib::ustring& backup_uri, b
   pulse_progress_message();
   bool test = DbUtils::add_standard_groups(pDocument);
   if(!test)
+  {
+    std::cerr << G_STRFUNC << ": DbUtils::add_standard_groups(): failed." << std::endl;
     return false;
 
   //Add any extra groups from the example file: