[Issue 10611] Add -h as shorthand for --help

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=10611

Dennis <dkorpel at live.nl> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
                 CC|                            |dkorpel at live.nl
         Resolution|---                         |FIXED

--- Comment #5 from Dennis <dkorpel at live.nl> ---
The -h flag has been added some time ago

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