Justin Hibbits bc2b9c015f Fix binutils compilation error with Clang 8
Summary:
This change fixes the following compilation error when using clang 8 to cross
compile base to powerpc64:

```
/usr/src/gnu/usr.bin/binutils/libopcodes/../../../../contrib/binutils/opcodes/ppc-dis.c💯35:
error: arithmetic on a null pointer treated as a cast from integer to pointer is
a GNU extension [-Werror,-Wnull-pointer-arithmetic]
  info->private_data = (char *) 0 + dialect;
		       ~~~~~~~~~~ ^
1 error generated.
*** [ppc-dis.o] Error code 1

make[6]: stopped in /usr/src/gnu/usr.bin/binutils/libopcodes
1 error
```

Test Plan:
- buildworld for x86_64 (native)
- buildworld for powerpc64 (cross)
- buildworld for powerpc64 (native)

Submitted by:	alfredo.junior_eldorado.org.br
Reviewed By:	emaste, pfg, brooks
Differential Revision:	https://reviews.freebsd.org/D19235
2019-03-05 04:16:50 +00:00
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