Index: trunk/Ohana/src/opihi/include/external.h
===================================================================
--- trunk/Ohana/src/opihi/include/external.h	(revision 3462)
+++ trunk/Ohana/src/opihi/include/external.h	(revision 4689)
@@ -4,4 +4,5 @@
 # include <fcntl.h>
 # include <sys/types.h>
+# include <sys/wait.h>
 # include <sys/socket.h>
 # include <sys/un.h>