Log Message:
-----------
Add EmitWarningsOnPlaceholders calls to contrib modules that are likely to
get listed in custom_variable_classes.
Modified Files:
--------------
pgsql/contrib/auto_explain:
auto_explain.c (r1.3 -> r1.4)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/auto_explain/auto_explain.c?r1=1.3&r2=1.4)
pgsql/contrib/pg_stat_statements:
pg_stat_statements.c (r1.1 -> r1.2)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_stat_statements/pg_stat_statements.c?r1=1.1&r2=1.2)