New review comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/40307#discussion_r1012399266

Comment:
why do this instead of just `mv ${DESTDIR}/Bindings/C/* ${DESTDIR}/Bindings/Cpp/* ${DESTDIR}/usr/include/$pkgname`?

also, this would fit more in `post_install()`