Merge branch 'tc/memzero-array'

MEMZERO_ARRAY() helper is introduced to avoid clearing only the
first N bytes of an N-element array whose elements are larger than
a byte.

* tc/memzero-array:
  contrib/coccinelle: pass include paths to spatch(1)
  git-compat-util: introduce MEMZERO_ARRAY() macro

diff --cc Makefile
Simple merge

diff --cc builtin/last-modified.c
Simple merge