- Sort list of trace points.

- Note that 'y' (sysctl requests) is in the default set of trace points.

MFC after:	3 days

usr.bin/ktrace/ktrace.1

@@ -112,11 +112,11 @@ The following table equates the letters with the tracepoints:
 .Bl -tag -width flag -compact
 .It Cm c
 trace system calls
-.It Cm n
-trace namei translations
 .It Cm i
 trace
 .Tn I/O
+.It Cm n
+trace namei translations
 .It Cm s
 trace signal processing
 .It Cm t
@@ -131,7 +131,7 @@ trace
 requests
 .It Cm +
 trace the default set of trace points -
-.Cm c , n , i , s , t , u
+.Cm c , i , n , s , t , u , y
 .El
 .It Ar command
 Execute