minor typo in auioctl.1

[Jan Stary]

At least on 4.6/i386, the manpage of audioctl(1) mentions
a "play.sample_rate" variable in the EXAMPLES, but the
audioctl utility itself only seems to use "play.rate".
Is that a naming relict, or have I simply not seen enough
audio chips?

        Jan


--- audioctl.1~ Mon Nov  9 13:06:14 2009
+++ audioctl.1 Mon Nov  9 13:06:48 2009
@@ -89 +89 @@
-.Dl $ audioctl play.sample_rate=11025
+.Dl $ audioctl play.rate=11025