Fixed eslint error

Author: zypA13510

src/sap.m/src/sap/m/SelectDialog.js

@@ -1020,7 +1020,7 @@ function(
 					if (this.getMultiSelect()) {
 						this._oDialog.focus();
 					} else {
-						fnClearAfterClose = function () {
+						var fnClearAfterClose = function () {
 							this._oSelectedItem = this._oList.getSelectedItem();
 							this._aSelectedItems = this._oList.getSelectedItems();