Fix a panic in MAC kernels that was a result of un-initialized label storage.  We can safely remove the label copying operations since M_MOVE_PKTHDR will move the mbuf tags (which contain MAC labels) to the destination mbuf.
Fix a panic in MAC kernels that was a result of un-initialized label
storage.  We can safely remove the label copying operations since
M_MOVE_PKTHDR will move the mbuf tags (which contain MAC labels) to
the destination mbuf.

MFC after:	1 week
Discussed with:	rwatson

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase