Add "OSX" prefix to wxCFEventLoop::DoRun() and DoStop() methods.

Just rename these methods to avoid clashes with DoRun() that will be added to
the base class soon, no real changes.

This is done in preparation for improving nested event loops support, see #10258.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74331 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/evtloop.h

@@ -30,9 +30,8 @@ public:
     wxModalEventLoop(WXWindow modalNativeWindow);
 
 protected:
-    virtual void DoRun();
-
-    virtual void DoStop();
+    virtual void OSXDoRun();
+    virtual void OSXDoStop();
 
     // (in case) the modal window for this event loop
     wxNonOwnedWindow* m_modalWindow;