[orca] Fix c&p error

[Joanmarie Diggs <joanied src gnome org>]

commit aaf4ebd5d7cd0301b05eb2c21b83185765f87ff7
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Thu Apr 11 15:18:32 2019 -0400

    Fix c&p error

 src/orca/scripts/web/script_utilities.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index ab47907a7..7d5b6d837 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -2330,8 +2330,8 @@ class Utilities(script_utilities.Utilities):
         if rv is not None:
             return rv
 
-        isMenu = lambda x: x and x.getRole() == pyatspi.ROLE_TOOL_BAR
-        rv = pyatspi.findAncestor(obj, isMenu) is not None
+        isToolBar = lambda x: x and x.getRole() == pyatspi.ROLE_TOOL_BAR
+        rv = pyatspi.findAncestor(obj, isToolBar) is not None
         self._isToolBarDescendant[hash(obj)] = rv
         return rv