Small copy/paste error, most likely...
gdb/ChangeLog:
* ser-base.h (ser_base_setstopbits): Change second argument name
from "rate" to "num".
+2015-03-17 Yurij Grechishhev <yurij.grechishhev@gmail.com>
+
+ * ser-base.h (ser_base_setstopbits): Change second argument name
+ from "rate" to "num".
+
2015-03-17 Gary Benson <gbenson@redhat.com>
Luke Allardyce <lukeallardyce@gmail.com>
serial_ttystate new_ttystate,
serial_ttystate old_ttystate);
extern int ser_base_setbaudrate (struct serial *scb, int rate);
-extern int ser_base_setstopbits (struct serial *scb, int rate);
+extern int ser_base_setstopbits (struct serial *scb, int num);
extern int ser_base_drain_output (struct serial *scb);
extern int ser_base_write (struct serial *scb, const void *buf, size_t count);