"config.h" need not and should not be included in any header

config.h is included in the source file before including the
header that uses it.

wiretap/candump_parser.lemon

@@ -11,6 +11,9 @@
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
+#include "config.h"
+
+#include <ws_diag_control.h>
 #include <assert.h>
 #include <string.h>
 #include <wiretap/file_wrappers.h>

wsutil/file_util.h

@@ -13,8 +13,6 @@
 
 #include <glib.h>
 
-#include "config.h"
-
 #include "ws_symbol_export.h"
 
 #ifdef _WIN32