second part of #10320: move wxApp event handling functions to wxEventLoopBase (in particular move Yield() functions); add backward compatible redirections to wxApp; update docs; remove global lists wxPendingEvents and wxPendingEventsLocker

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58911 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/palmos/evtloop.cpp

@@ -144,3 +144,8 @@ void wxGUIEventLoop::WakeUp()
     return;
 }
 
+bool wxGUIEventLoop::YieldFor(long eventsToProcess)
+{
+    return true;
+}
+