Refactor YieldFor() to avoid code duplication among the ports.

Don't repeat the same code in all the ports, move it to the common base class
and add a new virtual DoYieldFor() for the really port-specific code.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76061 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/unix/evtloopunix.cpp

@@ -210,6 +210,10 @@ void wxConsoleEventLoop::OnNextIteration()
     wxTheApp->CheckSignal();
 }
 
+void wxConsoleEventLoop::DoYieldFor(long eventsToProcess)
+{
+    wxEventLoopBase::DoYieldFor(eventsToProcess);
+}
 
 wxEventLoopBase *wxConsoleAppTraits::CreateEventLoop()
 {