Use statvfs() on Solaris
Use statvfs() on Solaris

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

neshema/openconnect,chadcatlett/openconnect,mdutton3/OpenConnect,ldx/android_external_openconnect,cernekee/openconnect,neshema/openconnect,atyndall/openconnect,atyndall/openconnect,mveplus/openconnect-client,mtmiller/openconnect,mdutton3/OpenConnect,sihde/openconnect,don-johnny/openconnect,brandt/openconnect,brandt/openconnect,mveplus/openconnect-client,lins05/openconnect,matlockx/openconnect,neshema/openconnect,liiir1985/openconnect,certik/openconnect,mtmiller/openconnect,cernekee/openconnect,nmav/openconnect-mine,don-johnny/openconnect,certik/openconnect,liiir1985/openconnect,brandt/openconnect,matlockx/openconnect,atyndall/openconnect,mtmiller/openconnect,nmav/openconnect-mine,nmav/openconnect-mine,cernekee/openconnect,lins05/openconnect,mveplus/openconnect-client,sihde/openconnect,pbrook/openconnect,cernekee/openconnect,don-johnny/openconnect,certik/openconnect,don-johnny/openconnect,ldx/android_external_openconnect,brandt/openconnect,sihde/openconnect,chadcatlett/openconnect,lins05/openconnect,liiir1985/openconnect,mdutton3/OpenConnect,chadcatlett/openconnect,mveplus/openconnect-client,liiir1985/openconnect,atyndall/openconnect,matlockx/openconnect,lins05/openconnect,nmav/openconnect-mine,mtmiller/openconnect,neshema/openconnect,chadcatlett/openconnect,matlockx/openconnect,pbrook/openconnect