Make md4sum() take a struct oc_text_buf to avoid alloca()
Make md4sum() take a struct oc_text_buf to avoid alloca()

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

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