Log Message:
-----------
Change allow_system_table_mods to PGC_POSTMASTER, restoring previous
behavior.
Modified Files:
--------------
pgsql/src/backend/utils/misc:
guc.c (r1.308 -> r1.309)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/guc.c.diff?r1=1.308&r2=1.309)