--- src/tools/radiant/radiant/exec.cpp.orig	Wed Jul  2 01:55:04 2014
+++ src/tools/radiant/radiant/exec.cpp	Wed Jul  2 01:55:41 2014
@@ -28,6 +28,7 @@
 
 #if defined (__FreeBSD__) || defined(__OpenBSD__)
 # include <signal.h>
+# include <sys/wait.h>
 #elif defined(__linux__)
 # include <sys/wait.h>
 #endif
