resend modify _fullpath test

[Aric Stewart]

ChangeLog:
  modify  msvcrt dir test to create its own directory to ensure the 
directory
  exists for the test. Using the temp dir as the root.

  dlls/msvcrt/tests/dir.c |   49 
+++++++++++++++++++++++++++++++++++++++--------
  1 files changed, 41 insertions(+), 8 deletions(-)

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