Fix texinfo docstring syntax for all audio functions * libinterp/dldfcn/audiodevinfo.cc, libinterp/dldfcn/audioinfo.cc, libinterp/dldfcn/audioread.cc, libinterp/dldfcn/audiowrite.cc, scripts/audio/@audioplayer/__get_properties__.m, scripts/audio/@audioplayer/audioplayer.m, scripts/audio/@audioplayer/display.m, scripts/audio/@audioplayer/get.m, scripts/audio/@audioplayer/isplaying.m, scripts/audio/@audioplayer/pause.m, scripts/audio/@audioplayer/play.m, scripts/audio/@audioplayer/playblocking.m, scripts/audio/@audioplayer/resume.m, scripts/audio/@audioplayer/set.m, scripts/audio/@audioplayer/stop.m, scripts/audio/@audiorecorder/audiorecorder.m, scripts/audio/@audiorecorder/display.m, scripts/audio/@audiorecorder/get.m, scripts/audio/@audiorecorder/getaudiodata.m, scripts/audio/@audiorecorder/getplayer.m, scripts/audio/@audiorecorder/isrecording.m, scripts/audio/@audiorecorder/pause.m, scripts/audio/@audiorecorder/play.m, scripts/audio/@audiorecorder/record.m, scripts/audio/@audiorecorder/recordblocking.m, scripts/audio/@audiorecorder/resume.m, scripts/audio/@audiorecorder/set.m, scripts/audio/@audiorecorder/stop.m: Fix texinfo docstring formatting, wrap long lines, and use consistent lowercase variable names.

--- a/scripts/audio/@audiorecorder/recordblocking.m
+++ b/scripts/audio/@audiorecorder/recordblocking.m
@@ -17,9 +17,9 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn{Function File} recordblocking (@var{recorderObj}, @var{length})
-## Record audio with blocking (synchronous I/O). You must specify the number of seconds
-## that the recording will continue for.
+## @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.
 ## @end deftypefn
 
 function recordblocking (varargin)