Log Message:
-----------
Canonicalize preload_libraries after it is split up, not before.
Modified Files:
--------------
pgsql-server/src/backend/utils/init:
miscinit.c (r1.128 -> r1.129)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/utils/init/miscinit.c.diff?r1=1.128&r2=1.129)
pgsql-server/src/backend/utils/misc:
guc.c (r1.217 -> r1.218)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/utils/misc/guc.c.diff?r1=1.217&r2=1.218)