--- ruby/command-t/watchman.c.orig	Sat Jun 28 12:37:46 2014
+++ ruby/command-t/watchman.c	Sat Jun 28 12:37:51 2014
@@ -34,7 +34,7 @@
 #endif
 
 #include <fcntl.h>      /* for fcntl() */
-#include <sys/errno.h>  /* for errno */
+#include <errno.h>  /* for errno */
 #include <sys/socket.h> /* for recv(), MSG_PEEK */
 
 typedef struct {