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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39001 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/stream.cpp

@@ -27,12 +27,13 @@
 
 #if wxUSE_STREAMS
 
+#include "wx/stream.h"
+
 #ifndef WX_PRECOMP
     #include "wx/log.h"
 #endif
 
 #include <ctype.h>
-#include "wx/stream.h"
 #include "wx/datstrm.h"
 #include "wx/textfile.h"