pg_hba.conf and IP-MASK

We have an IP-MASK column in pg_hba.conf.  Now that we are using CIDR
addresses by default, should we remove the column label?

We still support the a netmask value if they don't use CIDR format, but
now that the default is CIDR, it seems we should remove the column
label.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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