* Wefax destination directory now ended by one slash only.
* Use PRId64 for printing long long.
* Set right pthread library for mingw.
* Fixed include files in debug build mode.
* This commit does not include modifications specific to
SYNOP commit, due to reordering of commits submitted by
Remi during branch merging.
* Fix build on GNU/Hurd (or other platforms which do not define SA_NOCLDWAIT.
* Fix build on GNU/Hurd (or other platforms which do not define any PATH_MAX)