Log Message:
Update to 1.3.8:

* Bug fix: -boot_image grub grub2_mbr= did not work
           (but -as mkisofs --grub2-mbr did work)
* Bug fix: -boot_image grub2_mbr=  prevented -boot_image partition_table=on
* Bug fix: libburn: A final fsync(2) was performed with stdio drives,
                    even if -stdio_sync was set to "off".
* Bug fix: libburn: Wrong stack usage caused SIGBUS on sparc when compiled
                    by gcc -O2
* Bug fix: -blank force:all on DVD+RW had no effect
* Enabled use of libedit as alternative to libreadline
* Enabled recording and restoring of extattr on NetBSD
* New API calls isoburn_igopt_set_stdio_endsync() and
          isoburn_igopt_get_stdio_endsync
* New bootspecs hppa_*, new -as mkisofs options -hppa-* for HP-PA via PALO
* New -find pseudo tests -use_pattern , -or_use_pattern
* New -find action report_sections
* New command -concat
* New commands -report_system_area and -report_el_torito