Change bsdiff to use divsufsort suffix sort library instead of qsufsort,
which is more efficient.

Note that for now we do not create a separate library for libdivsufsort
because it's not used anywhe

Change bsdiff to use divsufsort suffix sort library instead of qsufsort,
which is more efficient.

Note that for now we do not create a separate library for libdivsufsort
because it's not used anywhere else.

Obtained from: Chromium
MFC after: 2 months

show more ...