Log Message:
net/samba{,4}: Restrict ``disabling PIE hack'' for NetBSD/powerpc
prior to 9.0.

ld.elf_so(1) for 9.0 and later support R_PPC_ADDR16_HA (== 6) and
friends:

http://cvsweb.netbsd.org/bsdweb.cgi/src/libexec/ld.elf_so/arch/powerpc/ppc_reloc.c#rev1.58.2.1

Bump revision.

Close PR pkg/38961.