Merge branch 'ab/pcre-v2' into maint

Building with NO_LIBPCRE1_JIT did not disable it, which has been fixed. * ab/pcre-v2: grep: fix NO_LIBPCRE1_JIT to fully disable JIT

Junio C Hamano committed Nov 21, 2017 at 14:05 UTC 8e3e51a3a791074110ab1946d8da3430c65d435c

No changes.