lsb-core should depend on bsd-mailx instead of mailx

Binary package hint: lsb

From Lucid (Maybe this should be cleaned up before release):

Package: mailx
Status: install ok installed
Priority: extra
Section: mail
Installed-Size: 36
Maintainer: Ubuntu Core Developers <email address hidden>
Architecture: all
Source: bsd-mailx (8.1.2-0.20081101cvs-2ubuntu1)
Version: 1:20081101-2ubuntu1
Depends: bsd-mailx
Description: Transitional package for mailx rename
 This dummy package is provided to smooth the upgrade from mailx to
 bsd-mailx and can be safely removed afterwards.
Original-Maintainer: Robert Luberda <email address hidden>

Package: lsb-core
Priority: extra
Section: misc
Installed-Size: 188
Maintainer: Ubuntu Core Developers <email address hidden>
Original-Maintainer: Chris Lawrence <email address hidden>
Architecture: amd64
Source: lsb
Version: 4.0-0ubuntu8
Replaces: lsb (<< 2.0-2)
Provides: lsb-core-amd64, lsb-core-noarch
Depends: lsb-release, libc6 (>> 2.3.5), libz1, libncurses5, libpam0g, lsb-invalid-mta | mail-transport-agent, at, bc, binutils, bsdmainutils, bsdutils, cpio, cron, ed, file, libc6-dev | libc-dev, locales, cups-bsd | lpr, lprng | cups-client, m4, mailx | mailutils, make, man-db, mawk | gawk, ncurses-term, passwd, patch, pax, procps, psmisc, rsync, alien (>= 8.36), python, python-central (>= 0.6.11), debconf (>= 0.5) | debconf-2.0, libc6-i386, lib32z1, lsb-base, time

DistroRelease: Ubuntu 10.04