On HP-UX 11.0, sys/ioctl.h is not sufficient to make struct winsize

visisble, we need termios.h too.

lib/util/ttysize.c

@@ -23,7 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
-#include <termios.h>
+#include <termios.h>		/* for struct winsize on HP-UX */
 #include <limits.h>
 
 #include "sudo_compat.h"

src/exec_pty.c

@@ -32,6 +32,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
+#include <termios.h>		/* for struct winsize on HP-UX */
 
 #include "sudo.h"
 #include "sudo_event.h"