[tracker] tracker-preferences: Don't use Stock.* they're deprecated since 3.10

[Martyn James Russell <mr src gnome org>]

commit 6f478505097034767f103053a0471a6170c765b1
Author: Martyn Russell <martyn lanedo com>
Date:   Tue Jul 22 16:54:30 2014 +0100

    tracker-preferences: Don't use Stock.* they're deprecated since 3.10

 src/tracker-preferences/tracker-preferences.vala |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/tracker-preferences/tracker-preferences.vala 
b/src/tracker-preferences/tracker-preferences.vala
index 7272f0a..e318e88 100644
--- a/src/tracker-preferences/tracker-preferences.vala
+++ b/src/tracker-preferences/tracker-preferences.vala
@@ -640,8 +640,8 @@ public class Tracker.Preferences {
                dialog = new Dialog.with_buttons (_("Enter value"),
                                                  window,
                                                  DialogFlags.DESTROY_WITH_PARENT,
-                                                 Stock.CANCEL, ResponseType.CANCEL,
-                                                 Stock.OK, ResponseType.ACCEPT);
+                                                 "_Cancel", ResponseType.CANCEL,
+                                                 "_OK", ResponseType.ACCEPT);
 
                dialog.set_default_response(ResponseType.ACCEPT);
                content_area = (Container) dialog.get_content_area ();
@@ -669,9 +669,9 @@ public class Tracker.Preferences {
                FileChooserDialog dialog = new FileChooserDialog (_("Select directory"),
                                                                  window,
                                                                  FileChooserAction.SELECT_FOLDER,
-                                                                 Stock.CANCEL,
+                                                                 "_Cancel",
                                                                  ResponseType.CANCEL,
-                                                                 Stock.OK,
+                                                                 "_OK",
                                                                  ResponseType.ACCEPT);
 
                while (true) {