Closed issue by ismaell on void-packages repository

https://github.com/void-linux/void-packages/issues/36668

Description:
The include of `<error.h>` is superfluous. See https://github.com/rpm-software-management/rpm/commit/d8eee23e1f2d944a9bcef5044d43808ba21bb83a.

https://github.com/void-linux/void-packages/blob/8850c6af5594ba93e2e811000cc1dcdd6bb5f5e8/srcpkgs/rpm/template#L29-L31