Patch for implicit assumption that cyg_bool and int are interchangeable

[Eric Doenges]

I've found (and fixed) two more packages that had functions
returning a cyg_bool declared as returning int in the prototype.
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|     Eric Doenges              |     DynaPel Laboratories GmbH    |
|     Tel: +49 89 962428 23     |     Fraunhoferstrasse 9/2        |
|     Fax: +49 89 962428 90     |     D - 85737 Ismaning, Germany  |
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