pgsql: Sigh, looks like you need '.set mips2' before you can access MIPS

Log Message:
-----------
Sigh, looks like you need '.set mips2' before you can access MIPS
SYNC instruction.

Modified Files:
--------------
pgsql/src/include/storage:
s_lock.h (r1.139 -> r1.140)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/s_lock.h.diff?r1=1.139&r2=1.140)