Fix download url generation

apps/files/js/fileactions.js

@@ -157,7 +157,7 @@ $(document).ready(function(){
 		var downloadScope = 'file';
 	}
 	FileActions.register(downloadScope,'Download', OC.PERMISSION_READ, function(){return OC.imagePath('core','actions/download');},function(filename){
-		window.location=OC.filePath('files', 'ajax', 'download.php') + '&files='+encodeURIComponent(filename)+'&dir='+encodeURIComponent($('#dir').val());
+		window.location=OC.filePath('files', 'ajax', 'download.php') + '?files='+encodeURIComponent(filename)+'&dir='+encodeURIComponent($('#dir').val());
 	});
 });
 

core/js/js.js

@@ -62,7 +62,7 @@ function escapeHTML(s) {
 * @return string
 */
 function fileDownloadPath(dir, file) {
-	return OC.filePath('files', 'ajax', 'download.php')+'&files='+encodeURIComponent(file)+'&dir='+encodeURIComponent(dir);
+	return OC.filePath('files', 'ajax', 'download.php')+'?files='+encodeURIComponent(file)+'&dir='+encodeURIComponent(dir);
 }
 
 var OC={