standards/47119: putc_unlocked(3) is found even with -std=c89

[sdaoden%gmail.com@localhost]

>Number:         47119
>Category:       standards
>Synopsis:       putc_unlocked(3) is found even with -std=c89
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    standards-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Oct 24 12:00:01 +0000 2012
>Originator:     Steffen "Daode" Nurpmeso
>Release:        6.0
>Organization:
>Environment:
NetBSD nbsd6 6.0 NetBSD 6.0 (GENERIC) i386
>Description:
?0[steffen@nbsd6 s-nail-v13]$ cat > test.c
#include <stdio.h>
int main(void)
{
        putc_unlocked('@', stdout);
        return 0;
}
?0[steffen@nbsd6 s-nail-v13]$ cc -std=c89 -O2 -o test test.c
?0[...
 ^=$?
>How-To-Repeat:
See description, please.
>Fix:
Eh, no.