so that we'd not force dependance on specific MySQL version, and instead pick
the currently installed mysql*-client (or install the default if there
is no mysql-client package installed yet)
this makes package buildable with arbitrary MySQL version, such as 3.23.x,
4.0.x or 4.1.x
in the process. (More information on tech-pkg.)
Bump PKGREVISION and BUILDLINK_DEPENDS of all packages using libtool and
installing .la files.
Bump PKGREVISION (only) of all packages depending directly on the above
via a buildlink3 include.