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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38839 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/xtistrm.cpp

@@ -13,20 +13,20 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
+#if wxUSE_EXTENDED_RTTI
+
 #ifndef WX_PRECOMP
-#include "wx/hash.h"
-#include "wx/object.h"
+    #include "wx/object.h"
+    #include "wx/hash.h"
 #endif
 
 #include "wx/tokenzr.h"
 #include "wx/txtstrm.h"
 #include "wx/event.h"
 
-#if wxUSE_EXTENDED_RTTI
-
 #include "wx/xtistrm.h"
 
 #include "wx/beforestd.h"
@@ -844,4 +844,4 @@ void wxCodeDepersister::SetConnect(int eventSourceObjectID,
 
 WX_DEFINE_OBJARRAY(wxxVariantArray);
 
-#endif
+#endif // wxUSE_EXTENDED_RTTI