Make sure we dont double test files and sort the list.

Originally committed as revision 22150 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/copycooker.sh

@@ -8,7 +8,7 @@ datadir="tests/data"
 logfile="$datadir/copy.regression"
 reffile="$1"
 
-list=$(grep -oh ' ./tests/data/.*' tests/ref/*/* "$reffile")
+list=$(grep -oh ' ./tests/data/.*' tests/ref/{acodec,lavf,vsynth1}/*| sort)
 rm -f $logfile
 for i in $list ; do
     echo ---------------- >> $logfile