[glom] Adapt to the latest Gio::Resource API.

[Murray Cumming <murrayc src gnome org>]

commit 52b27a1022b42d40dab326b260f16600edc5b9b1
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Dec 1 11:38:48 2014 +0100

    Adapt to the latest Gio::Resource API.

 glom/dialog_existing_or_new.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glom/dialog_existing_or_new.cc b/glom/dialog_existing_or_new.cc
index 866f351..cffb86d 100644
--- a/glom/dialog_existing_or_new.cc
+++ b/glom/dialog_existing_or_new.cc
@@ -264,7 +264,7 @@ bool Dialog_ExistingOrNew::list_examples()
 
   try
   {
-    typedef std::vector<Glib::ustring> type_vec_strings;
+    typedef std::vector<std::string> type_vec_strings;
     const type_vec_strings examples = Gio::Resource::enumerate_children_global(examples_dir);
     
     bool example_found = false;