Bugzilla Bug 214736

http://fy.chalmers.se/~appro/linux/DVD+RW/tools/dvd+rw-tools-7.1.tar.gz

changelog:
 * - Linux: allow compilation with non-substitution 2.6 kernel headers;
 * - Linux: not all 2.4 filesystem types support direct I/O;
 * - Linux: lock corresponding /dev/srN;
 * - use PTHREAD_STACK_MIN when creating threads;
 * - use _SC_PHYS_PAGES instead of _SC_AVPHYS_PAGES when calculating
 *   ring buffer size limit;
 * - Mac OS X: allow compilation on 10.5;
 * - human-readable sense code transcription;
 * - Solaris: privileges, authorization and hald awareness;
 * - in order to minimize swap reservations mmap ring buffer with
 *   MAP_SHARED;
 * - add -F/-free-space option displaying next session offset and
 *   media capacity, which facilitates free space calculation [by
 *   suggestion from Bacula project];
 * - allow session to cross 4GB boundary even on single-layer media
 *   [by request from Bacula project];
 * - HP-UX: fix compilation warnings;
 * - refine x73xx error treatment;
 * - handle deferred errno from reader thread;
 * - return non-zero exit status more aggressively;

in cvs, thanks David