cmd: Check for argument in copy, mkdir, delete, goto, move, rmdir, rename, type.

[Markus Amsler]

This fixes bug http://bugs.winehq.org/show_bug.cgi?id=6286
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  programs/cmd/builtins.c |   22 ++++++++++++++++++++++
  1 files changed, 22 insertions(+), 0 deletions(-)
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