New comment by Chocimier on void-packages repository

https://github.com/void-linux/void-packages/issues/21044#issuecomment-614770842

Comment:
```
=> xkb-switch-1.6.0_1: building [cmake] for x86_64...
   [host] cmake-3.17.0_1: found (https://alpha.de.repo.voidlinux.org/current)
   [host] cmake-3.17.0_1: found (https://alpha.de.repo.voidlinux.org/current)
   [target] libX11-devel-1.6.9_1: found (https://alpha.de.repo.voidlinux.org/current)
   [target] libxkbfile-devel-1.1.0_1: found (https://alpha.de.repo.voidlinux.org/current)
```

It is same as for repeated hostmakedepends. Why are duplicates problem?