Minor nit in tzdb.cc

[Jonathan Wakely]

On Thu, 26 Jan 2023 at 15:45, Michael Welsh Duggan wrote:
>
> In tzdb.cc, the constant "/tzdata.zi" is used in the tzdata_stream
> constructor, but the tzdata_file constant probably was meant to be used
> instead (currently unused).

Ah yes, good catch. I initially put the tzdata_stream in a separate
file, where the constant wasn't visible. When I moved it back into
tzdb.cc I forgot to reconcile that.

> Should I have created a bugzilla issue rather than sending this here?
> It's not really a bug, per se.  It feels more like a style question.

Raising it like this is fine, I will push the fix shortly. Thanks for
spotting it!