kes When doing a label, pass the VolBytes back to the Director,

kes  When doing a label, pass the VolBytes back to the Director,
     which puts it in the catalog.
kes  Print an error message if the user attempts to prune an
     archived Volume.
kes  Need to start using %ld when sscanfing 32 bit values.
kes  Update the free
kes  Correct the counting of VolCatBytes for DVDs.
kes  Add code to mount.c to require that VolCatBytes corresponds to
     what is actually found when doing an append.
kes  Update freespace only after writing on the DVD.
kes  Remove code that blows away the current part in the spool file.

git-svn-id: https://bacula.svn.sourceforge.net/svnroot/bacula/trunk@3401 91ce42f0-d328-0410-95d8-f526ca767f89