Added 'layoutIfNeeded' when changing the title of the cancel button.

Author: jangsy

TOPasscodeViewController/TOPasscodeViewController.m

@@ -456,6 +456,7 @@ - (void)keypadButtonTapped
     [UIView performWithoutAnimation:^{
         if (title != nil) {
             [self.cancelButton setTitle:title forState:UIControlStateNormal];
+            [self.cancelButton layoutIfNeeded];
         }
         self.cancelButton.hidden = (title == nil);
     }];