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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38841 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/unix/mimetype.cpp

@@ -39,13 +39,13 @@
 #if wxUSE_MIMETYPE && wxUSE_FILE && wxUSE_TEXTFILE
 
 #ifndef WX_PRECOMP
+    #include "wx/dynarray.h"
     #include "wx/string.h"
 #endif
 
 #include "wx/log.h"
 #include "wx/file.h"
 #include "wx/intl.h"
-#include "wx/dynarray.h"
 #include "wx/confbase.h"
 
 #include "wx/ffile.h"