[qca-nss-clients] IP Version check fix

If IP6CB(skb)->flags is set then the existing condition fails.
The patch fixes the issue.

Signed-off-by: Himanshu Joshi <himajosh@codeaurora.org>
Change-Id: Ica19baa4d034c78a2125a2f7e4c7c6d84cae9e25
1 file changed