* gnu/packages/algebra.scm (giac)[source]<origin>: Add a patch to fix build
issue with Pari-GP 2.15.
[arguments]<#:phase>: Skip another test.
* gnu/packages/patches/giac-pari-gp-anyarg.patch: New file.
* gnu/local.mk: Register it.
This fixes <https://issues.guix.gnu.org/58274>.