fix filepath for upload_from_galaxy_fs()

gga_load_data.py

@@ -183,9 +183,11 @@ class LoadData(speciesData.SpeciesData):
                             logging.info("Skipping useless file '%s'" % single_file)
                             continue
 
+                        single_file_path=os.path.join(CONTAINER_DATA_DIR_ROOT,single_file)
+
                         logging.info("Adding file '%s' with type '%s' and name '%s'" % (single_file, ftype, clean_name))
                         datasets = prj_lib.upload_from_galaxy_fs(
-                            single_file,
+                            single_file_path,
                             folder=folder,
                             link_data_only='link_to_files',
                             file_type=ftype,