bsnmpd breaks buildworld on amd64

[Steve Kargl]

building shared library snmp_hostres.so.4
/usr/obj/usr/src/tmp/usr/bin/ld: /usr/obj/usr/src/tmp/usr/lib/libdisk.a(disk.o):
 relocation R_X86_64_32S can not be used when making a shared object; recompile
with -fPIC
/usr/obj/usr/src/tmp/usr/lib/libdisk.a: could not read symbols: Bad value
*** Error code 1

Stop in /usr/src/usr.sbin/bsnmpd/modules/snmp_hostres.
*** Error code 1

Stop in /usr/src/usr.sbin/bsnmpd/modules.
*** Error code 1


-- 
Steve