Fix typo

Change-Id: I0b1c04b846ff5e6197fce59bd3c4325528169a7c
Reviewed-on: https://gerrit.libreoffice.org/68787
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

sw/qa/uitest/writer_tests5/xwindow.py

@@ -128,7 +128,7 @@ class XWindow(UITestCase):
         xToolkitRobot.keyPress(xKeyEvent)
         xToolkitRobot.keyRelease(xKeyEvent)
 
-        # remove moue listener
+        # remove mouse listener
         xWindow.removeMouseListener(xMouseListener)
         self.assertEqual(1, mouseListenerCount)
         del xMouseListener