make build failure.

make build failure.

[84/597] Building C object vnet/CMakeFiles/vnet.dir/ip/ip_types_api.c.o
FAILED: ccache /usr/lib/ccache/cc  -DWITH_LIBSSL=1 -Dvnet_EXPORTS -I/vpp/src -I. -Iinclude -march=corei7 -mtune=corei7-avx -g -O2 -DFORTIFY_SOURCE=2 -fstack-protector -fPIC -Werror -fPIC   -Wno-address-of-packed-member -Wall -MMD -MT vnet/CMakeFiles/vnet.dir/ip/ip_types_api.c.o -MF vnet/CMakeFiles/vnet.dir/ip/ip_types_api.c.o.d -o vnet/CMakeFiles/vnet.dir/ip/ip_types_api.c.o   -c /vpp/src/vnet/ip/ip_types_api.c
/vpp/src/vnet/ip/ip_types_api.c: In function 'ip_address_union_encode':
/vpp/src/vnet/ip/ip_types_api.c:70:13: error: incompatible type for argument 1 of 'memcpy'
     memcpy (out->ip6, &in->ip6, sizeof (out->ip6));
             ^
In file included from /usr/include/string.h:635:0,
                 from /vpp/src/vppinfra/string.h:55,
                 from /vpp/src/vppinfra/mem.h:55,
                 from /vpp/src/vppinfra/vec.h:42,
                 from /vpp/src/vppinfra/error.h:53,
                 from /vpp/src/vppinfra/hash.h:41,
                 from /vpp/src/vnet/ip/ip.h:43,
                 from /vpp/src/vnet/ip/ip_types_api.h:23,
                 from /vpp/src/vnet/ip/ip_types_api.c:16:
/usr/include/x86_64-linux-gnu/bits/string3.h:50:42: note: expected 'void * restrict' but argument is of type 'vl_api_ip6_address_t {aka struct _vl_api_ip6_address}'
 __NTH (memcpy (void *__restrict __dest, const void *__restrict __src,
                                          ^
/vpp/src/vnet/ip/ip_types_api.c:72:13: error: incompatible type for argument 1 of 'memcpy'
     memcpy (out->ip4, &in->ip4, sizeof (out->ip4));
             ^
In file included from /usr/include/string.h:635:0,
                 from /vpp/src/vppinfra/string.h:55,
                 from /vpp/src/vppinfra/mem.h:55,
                 from /vpp/src/vppinfra/vec.h:42,
                 from /vpp/src/vppinfra/error.h:53,
                 from /vpp/src/vppinfra/hash.h:41,
                 from /vpp/src/vnet/ip/ip.h:43,
                 from /vpp/src/vnet/ip/ip_types_api.h:23,
                 from /vpp/src/vnet/ip/ip_types_api.c:16:
/usr/include/x86_64-linux-gnu/bits/string3.h:50:42: note: expected 'void * restrict' but argument is of type 'vl_api_ip4_address_t {aka struct _vl_api_ip4_address}'
 __NTH (memcpy (void *__restrict __dest, const void *__restrict __src,
                                          ^
/vpp/src/vnet/ip/ip_types_api.c: At top level:
cc1: error: unrecognized command line option '-Wno-address-of-packed-member' [-Werror]
cc1: all warnings being treated as errors
[84/597] Building C object vnet/CMakeFiles/vnet.dir/ip/ip4_forward.c.o
ninja: build stopped: subcommand failed.
Makefile:691: recipe for target 'vpp-build' failed
make[1]: *** [vpp-build] Error 1
make[1]: Leaving directory '/vpp/build-root'
Makefile:394: recipe for target 'test' failed
make: *** [test] Error 2

DBGvpp# show cpu
Model name:               Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz
Microarchitecture:        Haswell (Crystalwell)
Flags:                    sse3 ssse3 sse41 sse42 avx avx2 aes invariant_tsc
Base frequency:           2.49 GHz

DBGvpp# show version verbose
Version:                  v19.01-rc0~447-g3be662f
Compiled by:              vagrant
Compile host:             vpp
Compile date:             Mon Dec 10 14:55:24 PST 2018
Compile location:         /vpp
Compiler:                 GCC 5.4.0 20160609
Current PID:              14104

Change-Id: I6ff03bc5ad1c3517256e244b6986e9a1507a3349
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>