New review comment by aurieh on void-packages repository

https://github.com/void-linux/void-packages/pull/25878#discussion_r511859191

Comment:
Tested patching `dmd`'s `druntime`, didn't help. Also tested adding a message pragma to the `version (CRuntime_Musl)` test in druntime - it did not log anything, which confirms that the branch is, indeed, never evaluated. Honestly not sure how this thing even builds (or works) at all.