fixed template

Author: Horea Christian

nipype/interfaces/script_templates/feat_ev_custom.tcl

@@ -37,4 +37,4 @@ set fmri(custom$ev_num) "$cond_file"
 set fmri(default_bfcustom) "${fsldir}/etc/default_flobs.flobs/hrfbasisfns.txt"
 set fmri(basisorth$ev_num) $basisorth
 set fmri(basisfnum$ev_num) $basisfnum
-set fmri(bfcustom) "$bfcustompath"
+set fmri(bfcustom$ev_num) "$bfcustompath"