[qca-nss-ecm] fix genl message allocation size

When allocating a genl message, additional overhead must be
considered for the netlink attribute headers. To add this overhead,
a helper function exists, nla_total_size()

Change-Id: Ib579276121682f7f75664fe0015a1cd198c4f371
Signed-off-by: Murat Sezgin <msezgin@codeaurora.org>
1 file changed