[FFmpeg-cvslog] doc/filters: fix @item syntax in showspectrum docs

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Tue Feb  5 00:01:03 2013 +0100| [2d22e97f6d7322f964d33ec5c96114b1b3a48922] | committer: Stefano Sabatini

doc/filters: fix @item syntax in showspectrum docs

In particular, fix warnings:
** Unknown command with braces `@item' (in doc/filters.texi l. 60XX)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2d22e97f6d7322f964d33ec5c96114b1b3a48922
---

 doc/filters.texi |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index 37b7a46..c04930f 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -6068,13 +6068,13 @@ Specify scale used for calculating intensity color values.
 
 It accepts the following values:
 @table @option
- at item{lin}
+ at item lin
 linear
- at item{sqrt}
+ at item sqrt
 square root, default
- at item{cbrt}
+ at item cbrt
 cubic root
- at item{log}
+ at item log
 logarithmic
 @end table