[Issue 15282] Import osmodel.mak from dmd to detect OS and MODEL

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=15282

greenify <greeenify at gmail.com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
                 CC|                            |greeenify at gmail.com
         Resolution|---                         |FIXED

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