GS_HEADER state. It should be correct in all states.
In ssl_DestroyGather, prior to freeing the buffers, the code zeroed out
the ciphertext buffer. It now zeros out the plaintext buffer instead.
git-svn-id: svn://10.0.0.236/trunk@83200 18797224-902f-48f8-a5cc-f745e15eee43