Fixed #4050 (Dialog: undefined class being added to ui-dialog element)

diff --git a/ui/ui.dialog.js b/ui/ui.dialog.js
index a9c219a135016984723efb142f0d4d8c9150976f..c757be8a4c925ae644ccafa5eb06e66cb03d8d22 100644 (file)
--- a/ui/ui.dialog.js
+++ b/ui/ui.dialog.js
@@ -514,6 +514,7 @@ $.extend($.ui.dialog, {
                buttons: {},
                closeOnEscape: true,
                closeText: 'close',
+               dialogClass: '',
                draggable: true,
                height: 'auto',
                minHeight: 150,