Log Message:
-----------
Add GUC log_lock_waits to log long wait times.

Simon Riggs

Modified Files:
--------------
pgsql/doc/src/sgml:
config.sgml (r1.113 -> r1.114)
(http://developer.postgresql.org/cvsw...1.113&r2=1.114)
pgsql/src/backend/storage/lmgr:
deadlock.c (r1.44 -> r1.45)
(http://developer.postgresql.org/cvsw...1=1.44&r2=1.45)
proc.c (r1.184 -> r1.185)
(http://developer.postgresql.org/cvsw...1.184&r2=1.185)
pgsql/src/backend/utils/misc:
guc.c (r1.377 -> r1.378)
(http://developer.postgresql.org/cvsw...1.377&r2=1.378)
postgresql.conf.sample (r1.210 -> r1.211)
(http://developer.postgresql.org/cvsw...1.210&r2=1.211)
pgsql/src/include/storage:
lock.h (r1.103 -> r1.104)
(http://developer.postgresql.org/cvsw...1.103&r2=1.104)
proc.h (r1.94 -> r1.95)
(http://developer.postgresql.org/cvsw...1=1.94&r2=1.95)

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