HOTFIX: work_dir was not made absolute

That was confusing the base_directory of reportlets, which were being written under the DataSink folder.

Author: oesteban

fmriprep/cli/run.py

@@ -589,7 +589,7 @@ def build_workflow(opts, retval):
 
     bids_dir = opts.bids_dir.resolve()
     output_dir = opts.output_dir.resolve()
-    work_dir = opts.work_dir
+    work_dir = opts.work_dir.resolve()
 
     retval['return_code'] = 1
     retval['workflow'] = None