Fixed bug triggered on Dot3 serialization.
Fixed bug triggered on Dot3 serialization.

In addition, Dot3 now always sets the packet length on
serialization.

viveks9/decrypt80211,wavelets/libtins,capturePointer/libtins,mfontanini/libtins,rklabs/libtins,hanw/libtins,bowlofstew/libtins,rklabs/libtins,bowlofstew/libtins,UlfWetzker/libtins,capturePointer/libtins,viveks9/decrypt80211,zmb3/libtins,mfontanini/libtins,UlfWetzker/libtins,salessandri/libtins,hanw/libtins,salessandri/libtins,wavelets/libtins,zmb3/libtins