bug#14102: Forgot to expand macro nnir-article-number

[Katsumi Yamaoka]

Andrew Cohen wrote:
>>>>>> "Katsumi" == Katsumi Yamaoka <yamaoka@jpl.org> writes:
>> Andrew, an expanded form of gnus-setup-message uses the
>> macro nnir-article-number, so it seems that gnus-msg.el has
>> to have an autoload form or a require form for nnir.el(c)
>> for compiling modules that use the gnus-setup-message macro
>> individually.

> I had the autoload but removed it since it seemed that gnus was doing
> something to take care of it. I'll put it back.

The errors have gone.  Thank you!