Log Message:
-----------
Remove an unused variable "waitingForSignal". From Qingqing Zhou.
Modified Files:
--------------
pgsql/src/backend/storage/lmgr:
proc.c (r1.156 -> r1.157)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/lmgr/proc.c.diff?r1=1.156&r2=1.157)