pkg/54671: www/firefox52: conflicting types for 'in6_sin_2_v4mapsin6'

[ng0%n0.is@localhost]

>Number:         54671
>Category:       pkg
>Synopsis:       www/firefox52: conflicting types for 'in6_sin_2_v4mapsin6'
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Nov 02 17:00:00 +0000 2019
>Originator:     ng0
>Release:        current
>Organization:
>Environment:
NetBSD 9.99.17 (GENERIC) amd64
>Description:
/usr/work/www/firefox52/work/build/_virtualenv/bin/python /usr/work/www/firefox52/work/firefox-52.9.0esr/config/expandlibs_gen.py -o libaccessible_aom.a.desc Unified_cpp_accessible_aom0.o  
gmake[3]: Leaving directory '/usr/work/www/firefox52/work/build/accessible/aom'
/usr/work/www/firefox52/work/.cwrapper/bin/gcc -o sctp_output.o -c -I/usr/work/www/firefox52/work/build/dist/system_wrappers -include /usr/work/www/firefox52/work/firefox-52.9.0esr/config/gcc_hidden.h -DNDEBUG=1 -DTRIMMED=1 -DOS_POSIX=1 -DOS_NETBSD=1 -DOS_BSD=1 -DSCTP_SIMPLE_ALLOCATOR=1 -DSCTP_PROCESS_LEVEL_LOCKS=1 -D__Userspace__=1 -DINET=1 -DCALLBACK_API=1 -DSCTP_DEBUG=1 -DINET6=1 -D__Userspace_os_NetBSD=1 -U__NetBSD__ -DSTATIC_EXPORTABLE_JS_API -DMOZ_HAS_MOZGLUE -DMOZILLA_INTERNAL_API -DIMPL_LIBXUL -I/usr/work/www/firefox52/work/firefox-52.9.0esr/netwerk/sctp/src -I/usr/work/www/firefox52/work/build/netwerk/sctp/src -I/usr/work/www/firefox52/work/build/ipc/ipdl/_ipdlheaders -I/usr/work/www/firefox52/work/firefox-52.9.0esr/ipc/chromium/src -I/usr/work/www/firefox52/work/firefox-52.9.0esr/ipc/glue -I/usr/work/www/firefox52/work/firefox-52.9.0esr/dom/base -I/usr/work/www/firefox52/work/firefox-52.9.0esr/netwerk/base -I/usr/work/www/firefox52/work/build/dist/include  -I/usr/pkg/includ
 e/nspr -I/usr/pkg/include/nss -I/usr/pkg/include/nspr    -I/usr/X11R7/include/pixman-1   -fPIC -DPIC  -include /usr/work/www/firefox52/work/build/mozilla-config.h -DMOZILLA_CLIENT -MD -MP -MF .deps/sctp_output.o.pp -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/nspr -I/usr/pkg/include/nss/nss -I/usr/X11R7/include -I/usr/X11R7/include/libdrm -I/usr/X11R7/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/ffmpeg3 -Wall -Wempty-body -Wignored-qualifiers -Wpointer-arith -Wsign-compare -Wtype-limits -Wunreachable-code -Wno-error=maybe-uninitialized -Wno-error=deprecated-declarations -Wno-error=array-bounds -fno-lifetime-dse -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/nspr -I/usr/pkg/include/nss/nss -I/usr/X11R7/include -I/usr/X11R7/include/libdrm -I/usr/X11R7/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/us
 r/pkg/include/ffmpeg3 -fno-strict-aliasing -Dunix -fno-math-errno -pthread -pipe -I/usr/pkg/include  -O2 -fomit-frame-pointer -std=gnu99  /usr/work/www/firefox52/work/firefox-52.9.0esr/netwerk/sctp/src/netinet/sctp_output.c
In file included from /usr/work/www/firefox52/work/firefox-52.9.0esr/netwerk/sctp/src/netinet/sctp_output.c:75:
/usr/work/www/firefox52/work/firefox-52.9.0esr/netwerk/sctp/src/netinet6/sctp6_var.h:45:13: error: conflicting types for 'in6_sin_2_v4mapsin6'
 extern void in6_sin_2_v4mapsin6(struct sockaddr_in *, struct sockaddr_in6 *);
             ^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/netinet/in.h:372,
                 from /usr/work/www/firefox52/work/build/dist/system_wrappers/netinet/in.h:3,
                 from /usr/work/www/firefox52/work/firefox-52.9.0esr/netwerk/sctp/src/netinet/sctp_os_userspace.h:483,
                 from /usr/work/www/firefox52/work/firefox-52.9.0esr/netwerk/sctp/src/netinet/sctp_os.h:72,
                 from /usr/work/www/firefox52/work/firefox-52.9.0esr/netwerk/sctp/src/netinet/sctp_output.c:38:
/usr/include/netinet6/in6.h:677:6: note: previous declaration of 'in6_sin_2_v4mapsin6' was here
 void in6_sin_2_v4mapsin6(const struct sockaddr_in *, struct sockaddr_in6 *);
      ^~~~~~~~~~~~~~~~~~~
gmake[3]: *** [/usr/work/www/firefox52/work/firefox-52.9.0esr/config/rules.mk:883: sctp_output.o] Error 1
gmake[3]: *** Waiting for unfinished jobs....

>How-To-Repeat:

>Fix: