Log Message:-----------Add comment about why "to" must be 8.4+.
Modified Files:-------------- src: pg_migrator.c (r1.53 -> r1.54) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/src/pg_migrator.c.diff?r1=1.53&r2=1.54)