New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/31818#discussion_r671604144

Comment:
```suggestion
If you are using SteamPlay/Proton and the game crashes or hangs
with error messages that include "eventfd: Too many open files", the
number of open file descriptors per process is too low for complete Proton functionality. 
In this case, consult limits.conf(5) and set a higher nofile limit for your user. 
For more information, see upstream documentation  in the README.esync file from
https://github.com/ValveSoftware/wine
```

I think we can be more concise. And please fix line breaks so all lines have around the same length (in VIM you can do this by selecting the block and pressing `qg` while still in visual mode).