Fix typo in variable name (there wasn't any programming error).
Fix typo in variable name (there wasn't any programming error).

fzadow/CATMAID,htem/CATMAID,htem/CATMAID,htem/CATMAID,fzadow/CATMAID,fzadow/CATMAID,fzadow/CATMAID,htem/CATMAID