[FFmpeg-cvslog] doc/syntax: escape '@' to fix a warning.

[Clément Bœsch]

ffmpeg | branch: master | Clément Bœsch <ubitux at gmail.com> | Tue May 29 07:40:12 2012 +0200| [f0c15ecd457dbaf9ce6a276b252f993b23ec83fd] | committer: Clément Bœsch

doc/syntax: escape '@' to fix a warning.

Fix the following warning:
doc/syntax.texi:147: warning: Accent command `@"' must not be followed by whitespace

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f0c15ecd457dbaf9ce6a276b252f993b23ec83fd
---

 doc/syntax.texi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/syntax.texi b/doc/syntax.texi
index f52e763..169fa78 100644
--- a/doc/syntax.texi
+++ b/doc/syntax.texi
@@ -144,7 +144,7 @@ The undefined value can be expressed using the "0:0" string.
 @section Color
 
 It can be the name of a color (case insensitive match) or a
-[0x|#]RRGGBB[AA] sequence, possibly followed by "@" and a string
+[0x|#]RRGGBB[AA] sequence, possibly followed by "@@" and a string
 representing the alpha component.
 
 The alpha component may be a string composed by "0x" followed by an