Fixed upload progress

assets/js/upload.js

@@ -158,7 +158,7 @@ upload = {
 						if (e.lengthComputable) {
 
 							// Calculate progress
-							progress = (e.loaded / e.total * 100) || 0;
+							progress = (e.loaded / e.total * 100 | 0);
 
 							// Set progress when progress has changed
 							if (progress>pre_progress) {