Log Message:-----------Fix bogus "extern int errno;" in back branches, per Andrew Dunstan.
Tags:----REL7_3_STABLE
Modified Files:-------------- pgsql/contrib/seg: segparse.y (r1.7.2.1 -> r1.7.2.2) (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/seg/segparse.y.diff?r1=1.7.2.1&r2=1.7.2.2)
