Datepicker - Fixed incorrect semi-colon that should have been a comma. Fixes #6916 - Datepicker date range demo: syntax glitch.

(cherry picked from commit fe6990e)

Author: scottgonzalez

demos/datepicker/date-range.html

@@ -17,7 +17,7 @@
 			numberOfMonths: 3,
 			onSelect: function( selectedDate ) {
 				var option = this.id == "from" ? "minDate" : "maxDate",
-					instance = $( this ).data( "datepicker" );
+					instance = $( this ).data( "datepicker" ),
 					date = $.datepicker.parseDate(
 						instance.settings.dateFormat ||
 						$.datepicker._defaults.dateFormat,