msi 4: Set the file to NULL when running the directory search

[James Hawkins]

Hi,

Otherwise DrLocator searches for files instead of the requested directories.

Changelog:
* Set the file to NULL when running the directory search.

 dlls/msi/appsearch.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

-- 
James Hawkins
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