Merge pull request #191 from sy-c/master

include sleep

Author: sy-c

src/testMonitor.cxx

@@ -13,6 +13,7 @@
 #include <Monitoring/MonitoringFactory.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <unistd.h>
 using namespace o2::monitoring;
 
 int main()