Fix is to remove any references to the current hostname when running
mysql_install_db --cross-bootstrap. (The dist-hook make target makes
this call, and the resulting data directory is included in the source
distribution as win/data/*.)
Also, a few other clean-ups to mysql_install_db while there.
were accidentally removed during a previous rototill of this
code. Fixes bug#27692.
While it can be argued we should strive to provide a 'secure by
default' installation, this happens to be the setup currently
documented in the manual as the default, so defer changes that
improve security out of the box to a co-ordinated effort later
on.
For now, make a note about the test databases and anonymous user
in mysql_install_db and recommend that mysql_secure_installation
be ran for users wishing to remove these defaults.
[..re-commit of previously lost change..]