add mime type to file upload

@@ -1517,6 +1517,7 @@ var initAjaxFileUpload = function(selector){
 
       var class_name = fileInputElem.attr('name').replace (/[\[\]]/g, '-');
 
+
       var fileUploadItem = fileInputElem.fileupload({
         dropZone: $('<div></div>'),
         fileInput: fileInputElem,
@@ -1543,6 +1544,11 @@ var initAjaxFileUpload = function(selector){
 
           $('.' + class_name).find('.progress-bar').css('width', '0%');
         },
+        send: function(e, data){
+          if(data.files[0].type == ''){
+            data.formData['content-type'] = data.files[0].type;
+          }
+        },
         done: function (e, data) {
           submitButton.prop('disabled', false);
 

 module Kanjai
-  VERSION = "0.0.225"
+  VERSION = "0.0.226"
 end