Use request_passphrase() for OpenSSL PEM files
Use request_passphrase() for OpenSSL PEM files

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

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