make compose plugin detection in bash completion work on Mac OS
make compose plugin detection in bash completion work on Mac OS

Signed-off-by: Vardan Pogosian <362d2936e6da0972d2d942f620b16a0702e27879@gmail.com>

docker/cli,thaJeztah/cli,thaJeztah/cli,docker/cli,cpuguy83/cli,cpuguy83/cli