[orca] Don't look for caret context in siblings of objects whose index in parent is -1

[Joanmarie Diggs <joanied src gnome org>]

commit ed5b97b67eef2e6a64ff8db23f07b543a47d253e
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Oct 6 11:40:02 2015 -0400

    Don't look for caret context in siblings of objects whose index in parent is -1

 src/orca/scripts/web/script_utilities.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index 0fe5cdc..42fbd7e 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -2495,7 +2495,7 @@ class Utilities(script_utilities.Utilities):
                 msg = "WEB: Exception getting childCount for %s" % parent
                 debug.println(debug.LEVEL_INFO, msg)
             else:
-                if 0 <= index < parentChildCount:
+                if 0 < index < parentChildCount:
                     return self.findNextCaretInOrder(parent[index], -1)
             obj = parent