New review comment by paper42 on void-packages repository

https://github.com/void-linux/void-packages/pull/31664#discussion_r678617275

Comment:
The issue is straightforward, so I don't think you have to link it, just mention that lsp-plugins needs C++98+.

`CXXFLAGS="-std=c++98"` is enough. After the template is imported, the value of default CXXFLAGGS is merged with CXXFLAGS from the template.