fossil: don't pass --with-tcl unless CLT available
fossil: don't pass --with-tcl unless CLT available

This seems to resolve the problem in #42493, but since there's no explicit
`--without-tcl` option, not 110% sure.

Closes #42493.

Closes #43895.

Signed-off-by: Dominyk Tiller <53e438f55903875d07efdd98a8aaf887e7208dd3@gmail.com>

kwilczynski/homebrew,kwilczynski/homebrew,kwilczynski/homebrew,kwilczynski/homebrew