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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39646 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/frame.cpp

@@ -37,6 +37,7 @@
     #include "wx/panel.h"
     #include "wx/log.h"
     #include "wx/toolbar.h"
+    #include "wx/statusbr.h"
 #endif // WX_PRECOMP
 
 #include "wx/msw/private.h"
@@ -50,10 +51,7 @@
     #include "wx/msw/winundef.h"
 #endif
 
-#if wxUSE_STATUSBAR
-    #include "wx/statusbr.h"
-    #include "wx/generic/statusbr.h"
-#endif // wxUSE_STATUSBAR
+#include "wx/generic/statusbr.h"
 
 #include "wx/menuitem.h"