[folks] tools: Stop using deprecated GIO API

[Philip Withnall <pwithnall src gnome org>]

commit 15f16c61af28fa81dc21ce9996faaa6d72a301ae
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Tue Jun 16 16:19:17 2015 +0100

    tools: Stop using deprecated GIO API
    
    The bindings for file attributes were changed in Vala 0.16 (we depend on
    Vala 0.22), so it’s safe to port from the deprecated API to the latest.

 tools/import-pidgin.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tools/import-pidgin.vala b/tools/import-pidgin.vala
index f09e693..65589a6 100644
--- a/tools/import-pidgin.vala
+++ b/tools/import-pidgin.vala
@@ -54,7 +54,7 @@ public class Folks.Importers.Pidgin : Folks.Importer
       try
         {
           file_info = yield file.query_info_async (
-              FILE_ATTRIBUTE_ACCESS_CAN_READ, FileQueryInfoFlags.NONE,
+              FileAttribute.ACCESS_CAN_READ, FileQueryInfoFlags.NONE,
               Priority.DEFAULT);
         }
       catch (GLib.Error e)
@@ -66,7 +66,7 @@ public class Folks.Importers.Pidgin : Folks.Importer
               e.message);
         }
 
-      if (!file_info.get_attribute_boolean (FILE_ATTRIBUTE_ACCESS_CAN_READ))
+      if (!file_info.get_attribute_boolean (FileAttribute.ACCESS_CAN_READ))
         {
           /* Translators: the parameter is a filename. */
           throw new ImportError.MALFORMED_INPUT (_("File %s is not readable."),