Log Message:
-----------
Properly define ENABLE_THREAD_SAFETY in conflgure, per suggestion from Peter.
Modified Files:
--------------
pgsql:
configure (r1.661 -> r1.662)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/configure?r1=1.661&r2=1.662)
configure.in (r1.615 -> r1.616)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/configure.in?r1=1.615&r2=1.616)