[qca-nss-clients] Initialize unused members of outer ip header to 0

We don't use certain fields of outer ip rule structure like ports and
proto next hdr. We will reset them to 0 by default.

Change-Id: Ie62a9a6fce2853b5dd1c42c7c89b0658fd825aaa
Signed-off-by: Sourav Poddar <souravp@codeaurora.org>
1 file changed