[caribou] Use more stable contains() on state set.

[Eitan Isaacson <eitani src gnome org>]

commit b17f1b44751bb0f75dc31b44c4ea862786167fc5
Author: Eitan Isaacson <eitan monotonous org>
Date:   Sat Mar 5 22:29:46 2011 -0800

    Use more stable contains() on state set.

 caribou/ui/main.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/caribou/ui/main.py b/caribou/ui/main.py
index 5175bb0..2050906 100644
--- a/caribou/ui/main.py
+++ b/caribou/ui/main.py
@@ -112,7 +112,7 @@ class Caribou:
     def on_focus(self, event):
         acc = event.source
         source_role = acc.getRole()
-        if pyatspi.STATE_EDITABLE in acc.getState().getStates() or \
+        if acc.getState().contains(pyatspi.STATE_EDITABLE) or \
                 source_role == pyatspi.ROLE_TERMINAL:
             if source_role in (pyatspi.ROLE_TEXT,
                                pyatspi.ROLE_PARAGRAPH,