setupapi: Don't copy into a NULL PathBuffer, and remove an invalid check for size < MAX_PATH (Coverity 888).

[James Hawkins]

---
 dlls/setupapi/dialog.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 532c20812842b1c070ea6c85245ba60d78611fc2.diff
Type: text/x-patch
Size: 939 bytes
Desc: not available
URL: <http://www.winehq.org/pipermail/wine-patches/attachments/20090322/8f10683f/attachment.bin>