Log Message:
-----------
Use unsigned into for slock_t for pre-sparcv8plus.
Modified Files:
--------------
pgsql/src/include/storage:
s_lock.h (r1.154 -> r1.155)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/s_lock.h.diff?r1=1.154&r2=1.155)