avformat/dhav: always initializer ret

diff --git a/libavformat/dhav.c b/libavformat/dhav.c
index dac11df6c4cb5b446aaa87147b9a7a8eb9679ef7..6a67f981c793220038da85d57a88fa1f9ad830d1 100644 (file)
--- a/libavformat/dhav.c
+++ b/libavformat/dhav.c
@@ -146,7 +146,7 @@ static const uint32_t sample_rates[] = {
 static int parse_ext(AVFormatContext *s, int length)
 {
     DHAVContext *dhav = s->priv_data;
-    int index, ret;
+    int index, ret = 0;
 
     while (length > 0) {
         int type = avio_r8(s->pb);