- fix for OpenWRT builds

src/engine/helper/HL_Exception.h

@@ -3,8 +3,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#ifndef __EXCEPTION_H
-#define __EXCEPTION_H
+#ifndef __HL_EXCEPTION_H
+#define __HL_EXCEPTION_H
 
 #include <exception>
 #include <memory.h>

src/engine/helper/HL_Sync.h

@@ -11,6 +11,7 @@
 #include <thread>
 #include <vector>
 #include <queue>
+#include <functional>
 #include <assert.h>
 
 typedef std::recursive_mutex Mutex;