- Make if build on ppc64, that is re-add the configure check for
sizeof long long otherwise readelf will fail on ppc64

- Update to file version 5.12
* Warn about inconsistent continuation levels.
* Change fsmagic to add a space after it prints.
* Make getline public so that file can link against it.
Perhaps it is better to rename it, or hide it differently.
Fixes builds on platforms that do not provide it.
* Add SuS d{,1,2,4,8}, u{,1,2,4,8} and document
what long, int, short, etc is (Guy Harris)
* add magic_version function and constant
* Redo memory allocation and de-allocation.
(prevents double frees on non mmap platforms)
* Fix bug with name/use having to do with passing
found state from the parent to the child and back.
* Only print elf capabilities for archs we know (Jan Kaluza)
* Add "name" and "use" file types in order to look
inside mach-o files.
* add string/T (Jan Kaluza)
* search for $HOME/.magic.mgc if it is there first
* fix reads from a pipe, and preserve errno
* use ctime_r, asctime_r
* Fixes for indirect offsets to handle apple disk formats
- Also includes our extfs-minix patch