Fix cipher in AES256-SHA
Fix cipher in AES256-SHA

Signed-off-by: David Woodhouse <b460d66aaf00c296a3db1c1d9eeafc081d5f7d70@intel.com>

lins05/openconnect,cernekee/openconnect,nmav/openconnect-mine,cernekee/openconnect,brandt/openconnect,nmav/openconnect-mine,brandt/openconnect,mveplus/openconnect-client,don-johnny/openconnect,mtmiller/openconnect,matlockx/openconnect,mtmiller/openconnect,lins05/openconnect,matlockx/openconnect,liiir1985/openconnect,brandt/openconnect,don-johnny/openconnect,brandt/openconnect,neshema/openconnect,matlockx/openconnect,liiir1985/openconnect,chadcatlett/openconnect,chadcatlett/openconnect,matlockx/openconnect,atyndall/openconnect,atyndall/openconnect,chadcatlett/openconnect,mveplus/openconnect-client,nmav/openconnect-mine,don-johnny/openconnect,don-johnny/openconnect,neshema/openconnect,atyndall/openconnect,liiir1985/openconnect,cernekee/openconnect,liiir1985/openconnect,nmav/openconnect-mine,chadcatlett/openconnect,mtmiller/openconnect,mveplus/openconnect-client,neshema/openconnect,mveplus/openconnect-client,lins05/openconnect,lins05/openconnect,mtmiller/openconnect,cernekee/openconnect,neshema/openconnect,atyndall/openconnect