Merge branch 'rs/size-t-fixes'

Type fixes.

* rs/size-t-fixes:
  pack-objects: use strcspn(3) in name_cmp_len()
  read-cache: use size_t for {base,df}_name_compare()

diff --cc builtin/pack-objects.c
Simple merge

diff --cc cache.h
Simple merge

diff --cc read-cache.c
Simple merge