Fix minor code smells, thanks jshint!

src/angular-multi-select.js

@@ -319,10 +319,9 @@ angular_multi_select.directive('angularMultiSelect',
 
 						(function () {
 							var dupes = {};
+							var fn = (function(d, o, n) { return fn(o, n, d); }).bind(this, dupes);
 							for(_idx in obj[key]) {
-								var new_obj = $scope._walk(obj[key][_idx], key, (function(d, o, n) {
-									return fn(o, n, d);
-								}).bind(this, dupes));
+								var new_obj = $scope._walk(obj[key][_idx], key, fn);
 								if (new_obj !== null) {
 									sub.push(new_obj);
 								}
@@ -783,8 +782,8 @@ angular_multi_select.directive('angularMultiSelect',
 				if (typeof dupes === "undefined") return true;
 				var label = $scope._interpolatedItemLabel(obj);
 				if (dupes[label]) return false;
-				else return (dupes[label] = true)
-			}
+				else return (dupes[label] = true);
+			};
 
 			/**
 			 * Returns true if [attrs.searchProperty} matches the search input field (latinized, fuzzy match);