Get test_ioctl to pass on HPUX 11.
TIOCGPGRP and many other definitions come from bsdtty.h, so it needs
to be included at least on HPUX.
diff --git a/Modules/termios.c b/Modules/termios.c
index 3ace25c..7e4eb7b 100644
--- a/Modules/termios.c
+++ b/Modules/termios.c
@@ -19,6 +19,10 @@
#ifdef HAVE_SYS_MODEM_H
#include <sys/modem.h>
#endif
+/* HP-UX requires that this be included to pick up TIOCGPGRP and friends */
+#ifdef HAVE_SYS_BSDTTY_H
+#include <sys/bsdtty.h>
+#endif
PyDoc_STRVAR(termios__doc__,
"This module provides an interface to the Posix calls for tty I/O control.\n\