Include wx/memory.h according to precompiled headers of wx/wx.h (with other minor cleaning).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39634 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/wx.h

@@ -24,6 +24,7 @@
 #include "wx/app.h"
 #include "wx/utils.h"
 #include "wx/stream.h"
+#include "wx/memory.h"
 
 #if wxUSE_GUI
 
@@ -70,7 +71,6 @@
 #include "wx/combobox.h"
 #include "wx/layout.h"
 #include "wx/sizer.h"
-#include "wx/memory.h"
 #include "wx/mdi.h"
 #include "wx/statusbr.h"
 #include "wx/scrolbar.h"