fixed a bug that prevented wxLogGui from being used by default

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28125 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/appbase.cpp

@@ -128,6 +128,12 @@ wxAppConsole::~wxAppConsole()
 
 bool wxAppConsole::Initialize(int& argc, wxChar **argv)
 {
+    // If some code logged something before wxApp instance was created,
+    // wxLogStderr was set as the target. Undo it here by destroying the
+    // current target. It will be re-created next time logging is needed, but
+    // this time wxAppTraits will be used:
+    delete wxLog::SetActiveTarget(NULL);
+    
     // remember the command line arguments
     this->argc = argc;
     this->argv = argv;