* guix/store.scm (fold-path): Change 'path' to 'paths' and adjust body accordingly. (requisites): Likewise. * guix/scripts/environment.scm (inputs->requisites): Adjust user accordingly. * guix/scripts/size.scm (requisites*): Likewise. * guix/scripts/gc.scm (guix-gc): Likewise. * tests/store.scm ("requisites"): Likewise.