Fix chaining of wcfDialog calls

diff --git a/wcfsetup/install/files/js/WCF.js b/wcfsetup/install/files/js/WCF.js
index 8dda8b75eddfe937fb3edd3e006d530d964ac6da..3d75ce09b1987ce9d5e64bff47b0873fffba8029 100755 (executable)
--- a/wcfsetup/install/files/js/WCF.js
+++ b/wcfsetup/install/files/js/WCF.js
@@ -7548,6 +7548,8 @@ jQuery.fn.extend({
                                UiDialog.openStatic(id, null, (args.length === 1 && typeof args[0] === 'object') ? args[0] : {});
                        }
                }).bind(this));
+               
+               return this;
        }
 });