A4GL_SQLUID and A4GL_SQLPWD are no longer written to aubitrc, and
configure no longer has --with-sqluid/--with-sqlpwd to fill them in.
A database password does not belong in a file that ships with the
product and is read by every program that starts. The setting itself is
unchanged and still works - the driver reads SQLUID/SQLPWD from the
environment, and a site that wants them in a file can add the lines to
an aubitrc of its own. aubitrc.in keeps them as commented examples so
the names are still discoverable.
This also removes the last way for the placeholder bug to recur: until
r13108 the unsubstituted @SQLUID@ reached the installed aubitrc as a
literal and was handed to the server as a user name, failing every
connection with -951. Nothing is substituted there now because nothing
is written there.
Partly reverts the configure side of r13108. The other substitutions it
added (aubitdir_src, CINT, CINTSYSDIR, MINGW_ROOTDIR,
WARN_LD_LIBRARY_REASON) are still needed and are untouched.
Note for upgrades: an aubitrc already on disk keeps whatever it has, and
can no longer be overridden by a later-read file that simply omits the
setting. Anyone who has @SQLUID@ in an installed aubitrc needs that file
regenerated or the two lines removed - rebuilding alone will not do it.
configure regenerated with autoreconf.
