shell32: Don't crash in SHELL_ExecuteW if psei->lpDirectory is NULL.

[Jacek Caban]

ChangeLog:
Don't crash in SHELL_ExecuteW if psei->lpDirectory is NULL.

  dlls/shell32/shlexec.c |    5 +++--
  1 files changed, 3 insertions(+), 2 deletions(-)

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