fix docstring style in .m files * @audioplayer/__get_properties__.m, @audioplayer/audioplayer.m, @audioplayer/get.m, @audioplayer/isplaying.m, @audioplayer/pause.m, @audioplayer/play.m, @audioplayer/playblocking.m, @audioplayer/resume.m, @audioplayer/set.m, @audioplayer/stop.m, @audiorecorder/audiorecorder.m,@audiorecorder/get.m, @audiorecorder/getaudiodata.m, @audiorecorder/getplayer.m, @audiorecorder/isrecording.m, @audiorecorder/pause.m, @audiorecorder/play.m, @audiorecorder/record.m, @audiorecorder/recordblocking.m, @audiorecorder/resume.m, @audiorecorder/set.m, @audiorecorder/stop.m: Fix docstring style.

--- a/scripts/audio/@audiorecorder/recordblocking.m	Thu Oct 03 09:50:01 2013 -0400
+++ b/scripts/audio/@audiorecorder/recordblocking.m	Wed Dec 31 13:45:45 2014 -0500
@@ -18,8 +18,8 @@
 
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {} recordblocking (@var{recorder}, @var{length})
-## Record audio with blocking (synchronous I/O).  You must specify the number
-## of seconds that the recording will continue for.
+## Record audio with blocking (synchronous I/O).  You must specify the
+## length of the recording in seconds.
 ## @end deftypefn
 
 function recordblocking (varargin)