ffmpag: fix "year" tag

lib/tags/getInfos::ffmpeg

@@ -1,5 +1,5 @@
 #!/bin/bash
-getInfosffmpeg_version='ffmpeg-1'
+getInfosffmpeg_version='ffmpeg-2'
 tagreaders+=( "$getInfosffmpeg_version" )
 getInfos::ffmpeg() {
 	tagreader="$getInfosffmpeg_version"
@@ -32,7 +32,7 @@ getInfos::ffmpeg() {
 	performer=$(gettag TOPE)
 	title=$(gettag title)
 	tracknum=$(gettag track)
-	year=$(gettag year)
+	year=$(gettag date)
 	expr='^[0-9]*$'
 	if [ -n "$genre" ] && [[ $genre =~ $expr ]]
 	then