Log Message:
Updated afl to 2.49b.

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Version 2.49b (2017-07-18):
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  - Added AFL_TMIN_EXACT to allow path constraint for crash minimization.

  - Added dates for releases (retroactively for all of 2017).

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Version 2.48b (2017-07-17):
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  - Added AFL_ALLOW_TMP to permit some scripts to run in /tmp.

  - Fixed cwd handling in afl-analyze (similar to the quirk in afl-tmin).

  - Made it possible to point -o and -f to the same file in afl-tmin.

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Version 2.47b (2017-07-14):
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  - Fixed cwd handling in afl-tmin. Spotted by Jakub Wilk.

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Version 2.46b (2017-07-10):
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  - libdislocator now supports AFL_LD_NO_CALLOC_OVER for folks who do not
    want to abort on calloc() overflows.

  - Made a minor fix to libtokencap. Reported by Daniel Stender.

  - Added a small JSON dictionary, inspired on a dictionary done by Jakub Wilk.

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Version 2.45b (2017-07-04):
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  - Added strstr, strcasestr support to libtokencap. Contributed by
    Daniel Hodson.

  - Fixed a resumption offset glitch spotted by Jakub Wilk.

  - There are definitely no bugs in afl-showmap -c now.