[orca] Fix the repeated line presentation in Thunderbird

[Joanmarie Diggs <joanied src gnome org>]

commit e5459b92cf71815f10f5cd2b12e5fe578b73295d
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Sun Apr 14 15:02:34 2013 -0400

    Fix the repeated line presentation in Thunderbird

 src/orca/scripts/toolkits/Gecko/script_utilities.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/orca/scripts/toolkits/Gecko/script_utilities.py 
b/src/orca/scripts/toolkits/Gecko/script_utilities.py
index cd2eb96..bb18309 100644
--- a/src/orca/scripts/toolkits/Gecko/script_utilities.py
+++ b/src/orca/scripts/toolkits/Gecko/script_utilities.py
@@ -532,7 +532,7 @@ class Utilities(script_utilities.Utilities):
 
             if boundary:
                 [string, start, end] = \
-                    text.getTextAtOffset(offset + 1, boundary)
+                    text.getTextAtOffset(offset, boundary)
                 if end == -1:
                     end = text.characterCount
             else: