bug#40805: 27.0.91; fringe bitmap values for ? and ! do not match comment in fringe.c

[Eli Zaretskii]

> From: Trevor Spiteri <tspiteri@ieee.org>
> Date: Fri, 24 Apr 2020 02:46:44 +0200
> 
> In src/fringe.c, the question-mark bitmap shown in the comments would
> result in the code:
> 
> static unsigned short question_mark_bits[] = {
>    0x3c, 0x7e, 0xc3, 0xc3, 0x0c, 0x18, 0x18, 0x00, 0x18, 0x18};
> 
> and the exclamation-mark bitmap in the code:
> 
> static unsigned short exclamation_mark_bits[] = {
>    0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18};

Thanks, I fixed this on the master branch.