README: add info about the subject line for e-mails sent to linux-gpio
authorBartosz Golaszewski <bartekgola@gmail.com>
Thu, 14 Sep 2017 06:06:10 +0000 (08:06 +0200)
committerBartosz Golaszewski <bartekgola@gmail.com>
Thu, 14 Sep 2017 06:06:10 +0000 (08:06 +0200)
commit3d21968f8d3d6ab0e5a4290e66a1cb77ec73e6f7
treeb0a35918082a3a20d73022247fcc0b44b40e517e
parent269b23a30f801081aa3e565c50472cdacc38b777
README: add info about the subject line for e-mails sent to linux-gpio

For libgpiod-related e-mails the subject line should be prefixed
with [libgpiod].

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
README