5386 want openpty(), forkpty(), etc.

@@ -633,10 +633,11 @@
 file path=usr/include/protocols/dumprestore.h
 file path=usr/include/protocols/routed.h
 file path=usr/include/protocols/rwhod.h
 file path=usr/include/protocols/timed.h
 file path=usr/include/pthread.h
+file path=usr/include/pty.h
 file path=usr/include/pw.h
 file path=usr/include/pwd.h
 file path=usr/include/rcm_module.h
 file path=usr/include/rctl.h
 file path=usr/include/re_comp.h