This file name was too long for 'tar', as reported by 'guix lint'.
* gnu/packages/patches/ocaml-dose3-Add-unix-as-dependency-to-dose3.common-in-META.in.patch:
Rename to...
* gnu/packages/patches/ocaml-dose3-add-unix-dependency.patch: ... this.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/ocaml.scm (ocaml-dose3)[source]: Adjust accordingly.