[FIX] Erroneous flag --n_proc in CircleCI
[FIX] Erroneous flag --n_proc in CircleCI

should be `--n_procs`.

poldracklab/mriqc,poldracklab/mriqc,oesteban/mriqc,poldracklab/mriqc,oesteban/mriqc,oesteban/mriqc,oesteban/mriqc,poldracklab/mriqc