libavformat/wav.c:134: error: Uninitialized Value
  The value read from size was never initialized.

libavformat/wav.c:134:9: 
132.         url_fseek(pb, size, SEEK_CUR);
133.     }
134.     if (size < 0)
             ^
135.         size = 0x7fffffff;
136.     return size;

static int find_tag(ByteIOContext *pb, uint32_t tag1)
{
    unsigned int tag;
    int size;
    for(;;) {
        if (url_feof(pb))
            return -1;
        tag = get_le32(pb);
        size = get_le32(pb);
        if (tag == tag1)
            break;
        url_fseek(pb, size, SEEK_CUR);
    }
    if (size < 0)
        size = 0x7fffffff;
    return size;
}
['static int find_tag(ByteIOContext *pb, uint32_t tag1)\n{\n    unsigned int tag;\n    int size;\n    for(;;) {\n        if (url_feof(pb))\n            return -1;\n        tag = get_le32(pb);\n        size = get_le32(pb);\n        if (tag == tag1)\n            break;\n        url_fseek(pb, size, SEEK_CUR);\n    }\n    if (size < 0)\n        size = 0x7fffffff;\n    return size;\n}']