Just an oversight from a patch that added an extra "options" parameter
for the "to_wait" target_ops method. Fixed thusly.

2009-05-21  Joel Brobecker  <brobecker@adacore.com>

        * aix-thread.c (aix_thread_wait): Add options parameter.  Use it
        to call the to_wait method in the target_beneath.

Checked in.
-- 
Joel