ppp: fix building with linux-4.8

Fix a build error when using the linux-4.8 headers that results in:

In file included from pppoe.h:87:0,
                 from plugin.c:29:
../usr/include/netinet/in.h:211:8: note: originally defined here
 struct in6_addr
        ^~~~~~~~
In file included from ../usr/include/linux/if_pppol2tp.h:20:0,
                 from ../usr/include/linux/if_pppox.h:26,
                 from plugin.c:52:
../usr/include/linux/in6.h:49:8: error: redefinition of 'struct sockaddr_in6'
 struct sockaddr_in6 {
        ^~~~~~~~~~~~

(From OE-Core rev: 68e917aa778742da104c038a6e1ffa789fe95410)

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

0 files changed, 0 insertions, 0 deletions