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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39285 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/unix/dialup.cpp

@@ -23,9 +23,9 @@
     #include "wx/event.h"
     #include "wx/app.h"
     #include "wx/utils.h"
+    #include "wx/timer.h"
 #endif // !PCH
 
-#include "wx/timer.h"
 #include "wx/filefn.h"
 #include "wx/ffile.h"
 #include "wx/process.h"

src/unix/mediactrl.cpp

@@ -31,10 +31,10 @@
 #ifndef  WX_PRECOMP
     #include "wx/log.h"             // wxLogDebug/wxLogSysError/wxLogTrace
     #include "wx/app.h"             // wxTheApp->argc, wxTheApp->argv
+    #include "wx/timer.h"           // wxTimer
 #endif
 
 #include "wx/thread.h"              // wxMutex/wxMutexLocker
-#include "wx/timer.h"               // wxTimer
 
 #ifdef __WXGTK__
 #    include "wx/gtk/win_gtk.h"     // for <gdk/gdkx.h>/GDK_WINDOW_XWINDOW

src/unix/threadpsx.cpp

@@ -33,10 +33,10 @@
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/utils.h"
+    #include "wx/timer.h"
 #endif
 
 #include "wx/module.h"
-#include "wx/timer.h"
 #include "wx/stopwatch.h"
 
 #include <stdio.h>