[minor] link formatter fixes for Item and Employee
diff --git a/erpnext/public/js/utils.js b/erpnext/public/js/utils.js
index 6c8898d..39e87f8 100644
--- a/erpnext/public/js/utils.js
+++ b/erpnext/public/js/utils.js
@@ -192,7 +192,7 @@
 
 frappe.form.link_formatters['Item'] = function(value, doc) {
 	if(doc && doc.item_name && doc.item_name !== value) {
-		return value + ': ' + doc.item_name;
+		return value? value + ': ' + doc.item_name: doc.item_name;
 	} else {
 		return value;
 	}
@@ -200,7 +200,7 @@
 
 frappe.form.link_formatters['Employee'] = function(value, doc) {
 	if(doc && doc.employee_name && doc.employee_name !== value) {
-		return value + ': ' + doc.employee_name;
+		return value? value + ': ' + doc.employee_name: doc.employee_name;
 	} else {
 		return value;
 	}