Maintain legacy RTOS behavior before mbed-5

Fork of mbed-rtos by mbed official

Revision:
36:512640f00564
Parent:
35:b8555a5966f6
Child:
40:bd07334df5b1
--- a/rtos/Semaphore.cpp	Tue Jul 08 11:15:19 2014 +0100
+++ b/rtos/Semaphore.cpp	Tue Jul 08 14:15:17 2014 +0100
@@ -22,6 +22,7 @@
 #include "Semaphore.h"
 
 #include <string.h>
+#include "error.h"
 
 namespace rtos {