[ekiga] Settings: Added typedef for the callback definition.

[Damien Sandras <dsandras src gnome org>]

commit 77b23eecd861f3ccee4372ce13ea9b289dc7f24c
Author: Damien Sandras <dsandras seconix com>
Date:   Sun Mar 8 14:38:24 2015 +0100

    Settings: Added typedef for the callback definition.

 lib/settings/ekiga-settings.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/lib/settings/ekiga-settings.h b/lib/settings/ekiga-settings.h
index c622664..82c327a 100644
--- a/lib/settings/ekiga-settings.h
+++ b/lib/settings/ekiga-settings.h
@@ -225,6 +225,7 @@ private:
   };
 
   typedef boost::shared_ptr<Settings> SettingsPtr;
+  typedef boost::function1<void, const std::string &> SettingsCallback;
 }
 
 #endif /* EKIGA_SETTINGS_H */