cmd: Fix a buffer's size and fix copy option handling in batch mode. (try 2)

[Andrew Nguyen]

This rectifies a batch handling problem noticed in bug 1201. I also
incorporated particular style changes to reduce ugliness.
---
 programs/cmd/builtins.c |   21 +++++++++++++++++++--
 1 files changed, 19 insertions(+), 2 deletions(-)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 71166a5fd1fe9234c34f47d441da73405ae6a603.diff
Type: text/x-patch
Size: 1614 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20090303/063a74da/attachment.bin