AFFLIB Version 3.7.17

Misc fixes over the last year:
d77ae18 fix #34: option typo (25 minutes ago)
92ee47f minor fixes to configure.ac (3 months ago)
bdb0ef1 Fix issue #32, an off-by-one buffer overflow (6 months ago)
d438bef whitespace (6 months ago)
435a2ca Sanity check size passed to malloc... (6 months ago)
becf548 Fix incrementing in vnode_split_raw.cpp for comment consistnecy (12 months ago)
e32b671 Update Win32 readmes to fix issue #26. (1 year, 2 months ago)