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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39627 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/fontdlgg.cpp

@@ -32,12 +32,12 @@
     #include "wx/intl.h"
     #include "wx/settings.h"
     #include "wx/cmndata.h"
+    #include "wx/sizer.h"
 #endif
 
 #include <string.h>
 #include <stdlib.h>
 
-#include "wx/sizer.h"
 #include "wx/fontdlg.h"
 #include "wx/generic/fontdlgg.h"