Expose the jqXHR.abort() method on the data argument.

Author: blueimp

js/jquery.fileupload.js

@@ -1,5 +1,5 @@
 /*
- * jQuery File Upload Plugin 5.22.1
+ * jQuery File Upload Plugin 5.23
  * https://github.com/blueimp/jQuery-File-Upload
  *
  * Copyright 2010, Sebastian Tschan
@@ -801,6 +801,11 @@
                         that._onSend(e, this);
                     return this.jqXHR;
                 };
+                newData.abort = function () {
+                    if (this.jqXHR) {
+                        return this.jqXHR.abort();
+                    }
+                };
                 result = that._trigger('add', e, newData);
                 return result;
             });