vendor/xz: upgrade from 5.2.4 to 5.2.5

liblzma:
- fixed several C99/C11 conformance bugs
- added a very minor encoder speed optimization

xz:
- fixed a crash in "xz -dcfv not_an_xz_file"
- f

vendor/xz: upgrade from 5.2.4 to 5.2.5

liblzma:
- fixed several C99/C11 conformance bugs
- added a very minor encoder speed optimization

xz:
- fixed a crash in "xz -dcfv not_an_xz_file"
- fixes for --flush-timeout

For details see NEWS.

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Upgrade xz from 5.2.2 to 5.2.4 on the vendor branch.

Remove not needed sources.

Upgrade xz from 5.0.4 to 5.0.7 on the vendor branch

5.0.7 (2014-09-20)
* Fix regressions introduced in 5.0.6:
- Fix building with non-GNU make.
- Fix invalid Libs.private value i

Upgrade xz from 5.0.4 to 5.0.7 on the vendor branch

5.0.7 (2014-09-20)
* Fix regressions introduced in 5.0.6:
- Fix building with non-GNU make.
- Fix invalid Libs.private value in liblzma.pc which broke
static linking against liblzma if the linker flags were
taken from pkg-config.
5.0.6 (2014-09-14)
* xzgrep now exits with status 0 if at least one file matched.
* A few minor portability and build system fixes
5.0.5 (2013-06-30)
* lzmadec and liblzma's lzma_alone_decoder(): Support decompressing
.lzma files that have less common settings in the headers
(dictionary size other than 2^n or 2^n + 2^(n-1), or uncompressed
size greater than 256 GiB). The limitations existed to avoid false
positives when detecting .lzma files. The lc + lp <= 4 limitation
still remains since liblzma's LZMA decoder has that limitation.

NOTE: xz's .lzma support or liblzma's lzma_auto_decoder() are NOT
affected by this change. They still consider uncommon .lzma headers
as not being in the .lzma format. Changing this would give way too
many false positives.
* xz:
- Interaction of preset and custom filter chain options was
made less illogical. This affects only certain less typical
uses cases so few people are expected to notice this change.

Now when a custom filter chain option (e.g. --lzma2) is
specified, all preset options (-0 ... -9, -e) earlier are on
the command line are completely forgotten. Similarly, when
a preset option is specified, all custom filter chain options
earlier on the command line are completely forgotten.

Example 1: "xz -9 --lzma2=preset=5 -e" is equivalent to "xz -e"
which is equivalent to "xz -6e". Earlier -e didn't put xz back
into preset mode and thus the example command was equivalent
to "xz --lzma2=preset=5".

Example 2: "xz -9e --lzma2=preset=5 -7" is equivalent to
"xz -7". Earlier a custom filter chain option didn't make
xz forget the -e option so the example was equivalent to
"xz -7e".
- Fixes and improvements to error handling.
- Various fixes to the man page.
* xzless: Fixed to work with "less" versions 448 and later.
* xzgrep: Made -h an alias for --no-filename.
* Include the previously missing debug/translation.bash which can
be useful for translators.
* Include a build script for Mac OS X. This has been in the Git
repository since 2010 but due to a mistake in Makefile.am the
script hasn't been included in a release tarball before.

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Import xz-5.0.4.

* liblzma:

- Fix lzma_index_init(). It could crash if memory allocation
failed.

- Fix the possibility of an incorrect LZMA_BUF_ERROR when a BCJ

Import xz-5.0.4.

* liblzma:

- Fix lzma_index_init(). It could crash if memory allocation
failed.

- Fix the possibility of an incorrect LZMA_BUF_ERROR when a BCJ
filter is used and the application only provides exactly as
much output space as is the uncompressed size of the file.

* Fix "xz -lvv foo.xz". It could crash on some corrupted files.

* Fix output of "xz --robot -lv" and "xz --robot -lvv" which
incorrectly printed the filename also in the "foo (x/x)" format.

* Fix exit status of "xzdiff foo.xz bar.xz".

* Fix exit status of "xzgrep foo binary_file".

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Initial import of binutils 2.22 on the new vendor branch

Future versions of binutils will also reside on this branch rather
than continuing to create new binutils branches for each new version.

Import xz-5.0.0.

This is from the XZ Utils project: http://tukaani.org/xz/