bug#37824: Args out of range error

[Ergus via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

This is the same issue than 37806.

I fixed it locally also the other member names. But I'll commit
tomorrow after testing the change. 

On Sat, Oct 19, 2019 at 08:34:53PM +0300, Eli Zaretskii wrote:
>> From: Takenari Shinohara <takenari.shinohara@gmail.com>
>> Date: Sun, 20 Oct 2019 00:27:22 +0900
>>
>> After building recent head, I started to see Args out of range errors occasionally.
>>
>>  sort: Args out of range: [nil :family :foundry :swidth :height :weight :slant :underline :inverse :foreground ...], 19
>>
>> I inspected a little, and I think a found the problem.
>> Commit f9206f34d63104c50659a15d3615646a09df87bf intorduced new LFACE_EXTEND_INDEX enum for lface_attribute_index
>> in src/dispextern.h, but probably forgot to add corresponding value to internal-lisp-face-attributes defvar,
>> causing an arg-out-of-range error for few face related functions.
>>
>> After adding :extend keyword to internal-lisp-face-attributes the error don't occur.
>>
>> (setq internal-lisp-face-attributes
>>   [nil
>>    :family :foundry :swidth :height :weight :slant :underline :inverse
>>    :foreground :background :stipple :overline :strike :box
>>    :font :inherit :fontset :vector :extend])
>
>Thanks.
>
>Jimmy, could you please take a look at this issue?