Log Message:
-----------
Make unknown-option-warning code more portable. echo -n is not portable,
and neither is "|" or "\|" in basic regular expressions.
Modified Files:
--------------
pgsql:
configure (r1.512 -> r1.513)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.512&r2=1.513)
pgsql/config:
general.m4 (r1.5 -> r1.6)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/config/general.m4.diff?r1=1.5&r2=1.6)