14249 pseudo-terminal nomenclature should reflect POSIX
Change-Id: Ib4a3cef899ff4c71b09cb0dc6878863c5e8357bc

@@ -476,11 +476,11 @@
 #define         TIOCM_DSR       0400            /* data set ready */
 
 /* pseudo-tty */
 
 #define TIOCREMOTE      (tIOC|30)       /* remote input editing */
-#define TIOCSIGNAL      (tIOC|31)       /* pty: send signal to slave */
+#define TIOCSIGNAL      (tIOC|31)       /* pty: send signal to subsidiary */
 
 
 /* Some more 386 xenix stuff */
 
 #define LDIOC   ('D'<<8)