Log Message:
-----------
Remove "volatile" from tas function, per TOm.
Modified Files:
--------------
pgsql/src/include/storage:
s_lock.h (r1.150 -> r1.151)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/s_lock.h.diff?r1=1.150&r2=1.151)