Correctly extend options.

Author: Tomas Kirda

src/jquery.autocomplete.js

@@ -248,9 +248,7 @@
 
         setOptions: function (suppliedOptions) {
             var that = this,
-                options = that.options;
-
-            this.options = $.extend({}, options, suppliedOptions);
+                options = $.extend({}, that.options, suppliedOptions);
 
             that.isLocal = Array.isArray(options.lookup);
 
@@ -266,6 +264,8 @@
                 'width': options.width + 'px',
                 'z-index': options.zIndex
             });
+
+            this.options = options;            
         },