Log Message:
Update to 1.75b:

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Version 1.75b:
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  - Improved argv_fuzzing to allow it to emit empty args. Spotted by Jakub
    Wilk.

  - afl-clang-fast now defines __AFL_HAVE_MANUAL_INIT. Suggested by Jakub Wilk.

  - Fixed a libtool-related bug with afl-clang-fast that would make some
    ./configure invocations generate incorrect output. Spotted by Jakub Wilk.

  - Removed flock() on Solaris. This means no locking on this platform,
    but so be it. Problem reported by Martin Carpenter.

  - Fixed a typo. Reported by Jakub Wilk.

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Version 1.74b:
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  - Added an example argv[] fuzzing wrapper in experimental/argv_fuzzing.
    Reworked the bash example to be faster, too.

  - Clarified llvm_mode prerequisites for FreeBSD.

  - Improved afl-tmin to use /tmp if cwd is not writeable.

  - Removed redundant includes for sys/fcntl.h, which caused warnings with
    some nitpicky versions of libc.

  - Added a corpus of basic HTML tags that parsers are likely to pay attention
    to (no attributes).

  - Added EP_EnabledOnOptLevel0 to llvm_mode, so that the instrumentation is
    inserted even when AFL_DONT_OPTIMIZE=1 is set.

  - Switched qemu_mode to use the newly-released QEMU 2.3.0, which contains
    a couple of minor bugfixes.

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Version 1.73b:
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  - Fixed a pretty stupid bug in effector maps that could sometimes cause
    AFL to fuzz slightly more than necessary; and in very rare circumstances,
    could lead to SEGV if eff_map is aligned with page boundary and followed
    by an unmapped page. Spotted by Jonathan Gray.