// Backup files that have been modified
file_set::iterator i = common.begin(), j = old_common.begin();
for( ; i != common.end(); ++i, ++j ) {
(*i)->setLastBackupDate( (*j)->getLastBackupDate() );
// Backup files that have been modified
file_set::iterator i = common.begin(), j = old_common.begin();
for( ; i != common.end(); ++i, ++j ) {
(*i)->setLastBackupDate( (*j)->getLastBackupDate() );