[Issue 17090] `dmd -transition=?` needs quoting => make it `-transition=help`

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17090

Seb <greeenify at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |greeenify at gmail.com

--- Comment #3 from Seb <greeenify at gmail.com> ---
PR https://github.com/dlang/dmd/pull/9205

--