docstring fixEnsure that wnd is not None before calling Hide

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@45875 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/src/_window.i

@@ -1080,7 +1080,7 @@ handler is handed off to the next one in the chain.", "");
         void , PushEventHandler( wxEvtHandler *handler ),
         "Pushes this event handler onto the event handler stack for the window.
 An event handler is an object that is capable of processing the events
-sent to a window.  (In other words, is able to dispatch the events to
+sent to a window.  (In other words, is able to dispatch the events to a
 handler function.)  By default, the window is its own event handler,
 but an application may wish to substitute another, for example to
 allow central implementation of event-handling for a variety of