cmd: Remove unnecessary whitespace in string
cmd: Remove unnecessary whitespace in string

checkpatch emits warning:

    WARNING: unnecessary whitespace before a quoted newline

Remove unnecessary whitespace before a quoted newline

Signed-off-by: Tobin C. Harding <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@tobin.cc>

hallyn/lxc,caglar10ur/lxc,caglar10ur/lxc,ss1h2a3tw/lxc,hallyn/lxc,ss1h2a3tw/lxc,caglar10ur/lxc,hallyn/lxc,ss1h2a3tw/lxc