copy: create a unix socket with os.ModeSocket
copy: create a unix socket with os.ModeSocket

os.ModeSocket refers to a UNIX socket, not a FIFO.

Signed-off-by: Giuseppe Scrivano <20002b7b24c75512093a71a58285826d5c504fca@redhat.com>

rhatdan/storage,rhatdan/storage,containers/storage,containers/storage,containers/storage,rhatdan/storage