[pyatspi2] Fix traceback in text.removeSelection()

[Mike Gorse <mgorse src gnome org>]

commit c6f04f1ee805ef8e4f3580c9fec935194f3c3131
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Thu Mar 13 18:42:06 2014 -0400

    Fix traceback in text.removeSelection()

 pyatspi/text.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/pyatspi/text.py b/pyatspi/text.py
index 1231bec..417adee 100644
--- a/pyatspi/text.py
+++ b/pyatspi/text.py
@@ -531,7 +531,7 @@ class Text(interface):
                 @return True if the selection was successfully removed, False
                 otherwise.
                 """
-                return Atspi.Text.remove_selection(self.obj, index)
+                return Atspi.Text.remove_selection(self.obj, selectionNum)
 
         def setCaretOffset(self, offset):
                 """