header_plugin.c: Include cp-tree.h before diagnostic.h.

2010-06-02  Richard Guenther  <rguenther@suse.de>

	* g++.dg/plugin/header_plugin.c: Include cp-tree.h before
	diagnostic.h.

From-SVN: r160155

gcc/testsuite/ChangeLog

+2010-06-02  Richard Guenther  <rguenther@suse.de>
+
+	* g++.dg/plugin/header_plugin.c: Include cp-tree.h before
+	diagnostic.h.
+
 2010-06-02  Iain Sandoe  <iains@gcc.gnu.org>
 
 	* lib/lto.exp (lto-link-and-maybe-run): Show the options in

gcc/testsuite/g++.dg/plugin/header_plugin.c

@@ -11,6 +11,7 @@
 #include "tm.h"
 
 /* gcc/ headers. */
+#include "cp/cp-tree.h"
 #include "diagnostic.h"
 #include "c-common.h"
 #include "c-pretty-print.h"
@@ -18,7 +19,6 @@
 #include "plugin.h"
 #include "tree-flow.h"
 #include "langhooks.h"
-#include "cp/cp-tree.h"
 #include "cp/cxx-pretty-print.h"
 #include "cp/name-lookup.h"