Fix crash at client disconnect when using PolarSSL >= 1.2.6
Fix crash at client disconnect when using PolarSSL >= 1.2.6

doctaweeks/umurmur,doctaweeks/umurmur,fmorgner/umurmur,snowblind/umurmur,fmorgner/umurmur,snowblind/umurmur,troxor/umurmur,doctaweeks/umurmur,troxor/umurmur