Log Message:
-----------
Allow -2147483648 to be treated as an INT4 rather than INT8 constant.
Per discussion with Paul Edwards.
Modified Files:
--------------
pgsql/src/backend/parser:
parse_node.c (r1.87 -> r1.88)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/parser/parse_node.c.diff?r1=1.87&r2=1.88)