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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38920 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/os2/mimetype.cpp

@@ -20,6 +20,7 @@
     #include "wx/dynarray.h"
     #include "wx/string.h"
     #include "wx/intl.h"
+    #include "wx/log.h"
     #if wxUSE_GUI
         #include "wx/icon.h"
     #endif
@@ -30,7 +31,6 @@
 #define INCL_WIN
 #include <os2.h>
 
-#include "wx/log.h"
 #include "wx/file.h"
 #include "wx/iconloc.h"
 #include "wx/confbase.h"