[Issue 17400] put a new line before "candidates are:" in error messages

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17400

Andrei David <dandrei279 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |dandrei279 at gmail.com
           Assignee|nobody at puremagic.com        |dandrei279 at gmail.com

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