lavf/smacker: remove bogus video from .long_name

Signed-off-by: Paul B Mahol <onemda@gmail.com>

libavformat/smacker.c

@@ -363,7 +363,7 @@ static int smacker_read_close(AVFormatContext *s)
 
 AVInputFormat ff_smacker_demuxer = {
     .name           = "smk",
-    .long_name      = NULL_IF_CONFIG_SMALL("Smacker video"),
+    .long_name      = NULL_IF_CONFIG_SMALL("Smacker"),
     .priv_data_size = sizeof(SmackerContext),
     .read_probe     = smacker_probe,
     .read_header    = smacker_read_header,