setupapi: fix memory leak (found by Smatch) (resend)

[Lionel_Debroux]

SetupQueryInfFileInformationA leaks some heap memory in three error
paths. Found in Michael Stefaniuc's list of Wine potential bugs detected
by Smatch.

2007-08-31  Lionel Debroux <lionel_debroux at yahoo.fr>
       * dlls/setupapi/query.c:
       setupapi: fix memory leak (found by Smatch)


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