Wine NtQueryDirectoryFile fix for Resier4

[Maciej Szmigiero]

When I ran Wine after converting my partition into Reiser4 I have noticied 
that when application calls "Open" dialog, Wine seems to hang. After runnig 
tests in dlls/kernel/tests directory I have realized that every call to 
FindFirstFile or FindNextFile will hang Wine. Debugging using WINEDEBUG  has 
showed me that FindNextFile called NtQueryDirectoryFile infinitely. So 
problem was in this function. Quick debugging with TRACE() macro showed that 
reiser4 returns -1 from telldir() after all files had been read by readdir(). 
So this is a quick fix for this issue.

This should fix bug http://bugs.winehq.org/show_bug.cgi?id=2525

-- 
Maciej Szmigiero
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