One more safenew for the logger object

src/AudacityApp.cpp

@@ -1174,7 +1174,11 @@ bool AudacityApp::OnInit()
    // Ensure we have an event loop during initialization
    wxEventLoopGuarantor eventLoop;
 
-   std::unique_ptr < wxLog > { wxLog::SetActiveTarget(new AudacityLogger) }; // DELETE
+   // wxWidgets will clean up the logger for the main thread, so we can say
+   // safenew.  See:
+   // http://docs.wxwidgets.org/3.0/classwx_log.html#a2525bf54fa3f31dc50e6e3cd8651e71d
+   std::unique_ptr < wxLog >
+      { wxLog::SetActiveTarget(safenew AudacityLogger) }; // DELETE old
 
    mLocale = NULL;