Index: gmt-4.5.7/src/misc/gmtdigitize.c
===================================================================
--- gmt-4.5.7.orig/src/misc/gmtdigitize.c	2012-03-07 03:57:45.000000000 -0500
+++ gmt-4.5.7/src/misc/gmtdigitize.c	2013-04-21 09:26:03.805840091 -0400
@@ -34,6 +34,7 @@
 #include "gmt.h"
 
 #ifndef WIN32
+#include <sys/types.h>
 #include <termios.h>
 #endif
 
