kern/52873: Userland header <dev/ic/hd44780var.h> cannot be included

[n54%gmx.com@localhost]

>Number:         52873
>Category:       kern
>Synopsis:       Userland header <dev/ic/hd44780var.h> cannot be included
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 28 13:10:00 +0000 2017
>Originator:     Kamil Rytarowski
>Release:        NetBSD 8.99.9 amd64
>Organization:
TNF
>Environment:
NetBSD chieftec 8.99.9 NetBSD 8.99.9 (GENERIC) #0: Mon Dec 25 12:58:16 CET 2017  root@chieftec:/public/netbsd-root/sys/arch/amd64/compile/GENERIC amd64
>Description:
Userland header <dev/ic/hd44780var.h> cannot be included.
>How-To-Repeat:
chieftec$ gcc t.c 
In file included from t.c:3:0:
/usr/include/dev/ic/hd44780var.h:68:14: error: ?HD_MAX_CHARS? undeclared here (not in a function)
  uint8_t buf[HD_MAX_CHARS];
              ^
chieftec$ cat t.c
#include <sys/param.h>
#include <sys/types.h>
#include <dev/ic/hd44780var.h>

int
main(int argc, char **argv)
{
        return 0;
}
>Fix:
N/A