Merge branch 'jk/apply-binary-hunk-parsing-fix'

"git apply" miscounted the bytes and failed to read to the end of
binary hunks.

* jk/apply-binary-hunk-parsing-fix:
  apply: keep buffer/size pair in sync when parsing binary hunks

diff --cc apply.c
Simple merge

diff --cc t/t4103-apply-binary.sh
Simple merge