Bug#687781: use fixed, IANA-registered port for rpc.mountd

[Ivan Shmakov <oneingray@gmail.com>]

Package: nfs-kernel-server
Version: 1:1.2.6-3

	Now that there's a IANA-registered port for rpc.mountd, I
	believe it be used by default, for such a move is likely to
	simplify the firewall configuration (see, e. g., [1].)

	TIA.

--cut: http://www.iana.org/assignments/port-numbers/ --
mountd          20048/tcp  NFS mount protocol
mountd          20048/udp  NFS mount protocol
#                          Nicolas Williams <Nicolas.Williams&oracle.com> 09 August 2010
--cut: http://www.iana.org/assignments/port-numbers/ --

[1] http://wiki.debian.org/SecuringNFS

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