Make inputs for acpc_align_head into a list

Author: e-kenneally

CPAC/anat_preproc/anat_preproc.py

@@ -1273,8 +1273,8 @@ def acpc_align_head(wf, cfg, strat_pool, pipe_num, opt=None):
                 ["anatomical_preproc", "run"]],
      "option_key": "None",
      "option_val": "None",
-     "inputs": ["desc-preproc_T1w",
-                "desc-head_T1w",
+     "inputs": [["desc-preproc_T1w",
+                "desc-head_T1w"],
                 "T1w-ACPC-template"],
      "outputs": ["desc-head_T1w",
                  "desc-preproc_T1w",