wininet: Check for null parameters in FtpSetCurrentDirectoryW.

[Mike McCormack]

---

  dlls/wininet/ftp.c |    8 +++++++-
  1 files changed, 7 insertions(+), 1 deletions(-)

-------------- next part --------------
A non-text attachment was scrubbed...
Name: ced9d66fab7876cb8d289b2839a5dede547166a7.diff
Type: text/x-patch
Size: 702 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20060512/320b5b63/ced9d66fab7876cb8d289b2839a5dede547166a7.diff