Add missing initialization of wildcard_policy's 'next' field.
Add missing initialization of wildcard_policy's 'next' field.

yarrcc/libsrtp-ios,cuijinquan/libsrtp,ksophocleous/libsrtp,ksophocleous/libsrtp,persmule/libsrtp,cuijinquan/libsrtp,persmule/libsrtp,persmule/libsrtp,cuijinquan/libsrtp,Distrotech/libsrtp,yarrcc/libsrtp-ios,yarrcc/libsrtp-ios,Distrotech/libsrtp