* device-src/dvdrw-device.c: dvdrw_growisofs_command,
  dvdrw_mount_command and dvdrw_umount_command property are
  G_TYPE_STRING.
* installcheck/Amanda_Device.pl: Test parsing dvd properties.


git-svn-id: https://svn.code.sf.net/p/amanda/code/amanda/branches/3_3@5876 a8d146d6-cc15-0410-8900-af154a0219e0