[gnote] Fix typo in error message

[Aurimas Černius <aurimasc src gnome org>]

commit 9729f97c7d1ac51f34b4143e23f1a5b98ee57828
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Sun Sep 14 14:42:07 2014 +0300

    Fix typo in error message

 src/addins/exporttogtg/exporttogtgnoteaddin.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/addins/exporttogtg/exporttogtgnoteaddin.cpp b/src/addins/exporttogtg/exporttogtgnoteaddin.cpp
index 47546b5..2d23e19 100644
--- a/src/addins/exporttogtg/exporttogtgnoteaddin.cpp
+++ b/src/addins/exporttogtg/exporttogtgnoteaddin.cpp
@@ -1,7 +1,7 @@
 /*
  * gnote
  *
- * Copyright (C) 2013 Aurimas Cernius
+ * Copyright (C) 2013-2014 Aurimas Cernius
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -97,7 +97,7 @@ void ExportToGTGNoteAddin::export_button_clicked()
     Glib::RefPtr<Gio::DBus::Proxy> proxy = Gio::DBus::Proxy::create_for_bus_sync(
         Gio::DBus::BUS_TYPE_SESSION, "org.gnome.GTG", "/org/gnome/GTG", "org.gnome.GTG", s_gtg_interface);
     if(proxy == 0) {
-      ERR_OUT(_("Failed to create D_Bus proxy for GTG"));
+      ERR_OUT(_("Failed to create D-Bus proxy for GTG"));
       return;
     }