[check_postgres] little typo in timesync doc

[Greg Sabino Mullane]

> check_postgres_timesync --host=ankh,morpork,klatch --critical=3

Fixed, thanks!

-- 
Greg Sabino Mullane greg at endpoint.com
End Point Corporation
PGP Key: 0x14964AC8

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 226 bytes
Desc: OpenPGP digital signature
Url : https://mail.endcrypt.com/pipermail/check_postgres/attachments/20090325/5695b8d3/attachment.bin