[Issue 23399] OpenBSD: Teach druntime about new mimmutable(2) syscall

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23399

Brian Callahan <bcallah at openbsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #1 from Brian Callahan <bcallah at openbsd.org> ---
Fixed in
https://github.com/dlang/dmd/commit/fb0f1bf0802af484ebe014c7ba9c4ceb138f0221

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