Edit Distribution Preference

- fixed the itype auto selection when there is only one course in the selected subject area
- corrected a bug introduced in commit 66e40be

JavaSource/org/unitime/timetable/action/DistributionPrefsAction.java

@@ -504,7 +504,7 @@ private void setLookupLists(List<ComboBoxLookup> subjectAreaList) {
 		        		    }
 
 		        		    // Only one record - select it to save time and one more click
-		        		    if(subparts.size()==1) {
+		        		    if(subpartList.size()==1) {
 		        		        ComboBoxLookup cbl = (ComboBoxLookup) subpartList.elementAt(0);
 		        		        form.setItype(index, cbl.getValue());
 		        		        subpart = form.getItype(index);