volume creation bugfixes
volume creation bugfixes

* the sz field of the TC header is never the whole volume size, it's
  always the actual encrypted size.

* the HOST_TO_LE macro was not correct

bwalex/tc-play,Nmishin/tc-play,veracrypt/tc-play,veracrypt/tc-play,Nmishin/tc-play,bwalex/tc-play,Nmishin/tc-play,veracrypt/tc-play,bwalex/tc-play