New comment by Chocimier on void-packages repository

https://github.com/void-linux/void-packages/pull/21715#issuecomment-626970768

Comment:
shlib-provides built correct with pkgname=vips and libvips in shlibs.

`case` block should be replaced with gir build helper, see `srcpkgs/atk/template`.

Please also indent contents of `makedepends=` by one space.