Log Message:-----------Do error checking on repr and getitem in htup_repr.
Modified Files:-------------- be/src: heaptuple.c (r1.5 -> r1.6) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/src/heaptuple.c.diff?r1=1.5&r2=1.6)
