Add a missing include

[libs/gui.git] / source / input / control.h

diff --git a/source/input/control.h b/source/input/control.h
index 1ee21c8af072f5e305710c28597055d50482382b..5b435dcf0a1f478ee0994657998bd87e09eaec9e 100644 (file)
--- a/source/input/control.h
+++ b/source/input/control.h
@@ -8,6 +8,7 @@ Distributed under the LGPL
 #ifndef MSP_GBASE_CONTROL_H_
 #define MSP_GBASE_CONTROL_H_
 
+#include <string>
 #include <sigc++/signal.h>
 #include <sigc++/trackable.h>