lib/52801: wcstold_l present in headers and internals of libc, but missing symbol

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>Number:         52801
>Category:       lib
>Synopsis:       wcstold_l present in headers and internals of libc, but missing symbol
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    lib-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Dec 09 20:30:00 +0000 2017
>Originator:     Kamil Rytarowski
>Release:        NetBSD 8.99.8 amd64
>Organization:
TNF
>Environment:
NetBSD chieftec 8.99.8 NetBSD 8.99.8 (GENERIC) #1: Thu Dec  7 02:50:00 CET 2017  root@chieftec:/public/netbsd-root/sys/arch/amd64/compile/GENERIC amd64
>Description:
wcstold_l appears to be a stub.
>How-To-Repeat:
$ git grep wcstold_l lib/libc                                                                                                
lib/libc/include/namespace.h:#define wcstold_l          _wcstold_l
lib/libc/stdio/vfwscanf.c:                                      long double res = wcstold_l(buf, &p,

$ grep -r wcstold_l /usr/include/                                                                                            
/usr/include/wchar.h:long double wcstold_l(const wchar_t * __restrict, wchar_t ** __restrict

$ nm /usr/lib/libc.so|grep wcstold_l                                                                                         
0000000000093a76 T _wcstold_l
>Fix:
N/A