[qca-nss-clients] Fix multiple IPsec Tunnel crash

In subnet lookup, Invalid data  was passed to the function to lookup
default subnet mask. Copied the subnet mask before passing
the variable.

Change-Id: I3b068fccd1d8d8bf64029d1b6bd0358e14e83667
Signed-off-by: mandrw <mandrw@codeaurora.org>
1 file changed