Update jquery.enjoyhint.js

The variables are undefined if screen <640

Author: oyedyharova

src/jquery.enjoyhint.js

@@ -602,15 +602,16 @@ CanvasRenderingContext2D.prototype.roundRect = function (x, y, w, h, r) {
 
                 that.renderArrow = function (data) {
 
-                    if (window.innerWidth >= 640) {
-
                         var x_from = data.x_from || 0;
                         var y_from = data.y_from || 0;
                         var x_to = data.x_to || 0;
                         var y_to = data.y_to || 0;
                         var by_top_side = data.by_top_side;
                         var control_point_x = 0;
                         var control_point_y = 0;
+                    
+                    if (window.innerWidth >= 640) {
+
                         if (by_top_side) {
 
                             if (y_from >= y_to) {
@@ -1149,4 +1150,4 @@ CanvasRenderingContext2D.prototype.roundRect = function (x, y, w, h, r) {
 
         return this;
     };
-})(window.jQuery);
+})(window.jQuery);