Add missing <string> include in timed_events.hpp

fix #2552
2014-06-28 18:38:50 +02:00
parent 6f181acc65
commit 48ed47207c
1 changed files with 1 additions and 0 deletions
@@ -2,6 +2,7 @@
 # define TIMED_EVENTS_HPP

 #include <functional>
+#include <string>
 #include <chrono>
 #include <list>