Have all diff(1) invocations to receive configurable flags.Make, Makeby default, bydiff(1) ignore whitespace changes and the unified output a
default,context of zero (0) lines. diff(1) ignore whitespace changes and the unified output aThis reduces output of unrelated lines in e-mails
context of zero (0) lines. This reduces output of unrelated lines in
e-mails delivered to root.
PR: PR: 270266
Approved by: jrm (mentor), emaste, otis (mentor)karels
MFC after: 2 weeksRelnotes: yes