[orca] Fix a refactor snafu which broke Thunderbird access

[Joanmarie Diggs <joanied src gnome org>]

commit cef8f097f50ccc0236b5c6cc5f28928d2ba99b4b
Author: Joanmarie Diggs <joanmarie diggs gmail com>
Date:   Sun May 9 09:50:42 2010 -0400

    Fix a refactor snafu which broke Thunderbird access

 .../scripts/apps/Thunderbird/script_utilities.py   |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/orca/scripts/apps/Thunderbird/script_utilities.py b/src/orca/scripts/apps/Thunderbird/script_utilities.py
index 85d6624..07d73fd 100644
--- a/src/orca/scripts/apps/Thunderbird/script_utilities.py
+++ b/src/orca/scripts/apps/Thunderbird/script_utilities.py
@@ -62,7 +62,7 @@ class Utilities(Gecko.Utilities):
         Overridden here because multiple open messages are not arranged
         in tabs like they are in Firefox."""
 
-        if self._script.inFindToolbar():
+        if self.inFindToolbar():
             return Gecko.Utilities.documentFrame(self)
 
         obj = orca_state.locusOfFocus