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/fileconf.cpp

@@ -30,6 +30,9 @@
     #include  "wx/log.h"
     #include  "wx/app.h"
     #include  "wx/utils.h"    // for wxGetHomeDir
+    #if wxUSE_STREAMS
+        #include  "wx/stream.h"
+    #endif // wxUSE_STREAMS
 #endif  //WX_PRECOMP
 
 #include  "wx/file.h"
@@ -39,11 +42,6 @@
 #include  "wx/fileconf.h"
 #include  "wx/filefn.h"
 
-#if wxUSE_STREAMS
-    #include  "wx/stream.h"
-#endif // wxUSE_STREAMS
-
-
 #if defined(__WXMAC__)
     #include  "wx/mac/private.h"  // includes mac headers
     #include  "wx/filename.h"     // for MacSetTypeAndCreator