[9166] Fixes/cleanups in extarctor code.

[newsbot]

<pre>m contrib/extractor/.gitignore
m contrib/extractor/System.cpp
m contrib/extractor/VC80_ad.vcproj
m contrib/extractor/VC90_ad.vcproj
m contrib/extractor/libmpq/mpq.cpp
m contrib/extractor/mpq_libmpq.cpp
m src/shared/revision_nr.h

[9166] Fixes/cleanups in extarctor code.

* Avoid create debug binary version with space in name, ignore it in git changes.
* Alow filenum == 0 in archive file lists. Some currently not loaded fiels have its
for example in case when in archive single file.

NOTE: no change in extracted files, so not need re-execute.</pre>



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