avformat/id3v2: silence a warning when CONFIG_ZLIB is unset.

dlen is only read when CONFIG_ZLIB is set, so mark it as possibly unused. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · 8bcf425d06
parent 4f1a252fd3
commit 8bcf425d06
1 changed files with 1 additions and 1 deletions
--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@ -726,7 +726,7 @@ static void id3v2_parse(AVIOContext *pb, AVDictionary **metadata,
        int tunsync         = 0;
        int tcomp           = 0;
        int tencr           = 0;
-        unsigned long dlen;
+        unsigned long av_unused dlen;
        if (isv34) {
            if (avio_read(pb, tag, 4) < 4)