fixed jpegtable merging

diff --git a/lib/modules/swfbits.c b/lib/modules/swfbits.c
index 5b98b17..a24b570 100644 (file)
--- a/lib/modules/swfbits.c
+++ b/lib/modules/swfbits.c
@@ -1043,12 +1043,13 @@ void swf_RemoveJPEGTables(SWF * swf)
     tag = swf->firstTag;
     while (tag) {
        if (tag->id == ST_DEFINEBITSJPEG) {
-           void *data = rfx_alloc(tag->len);
+           int len = tag->len;
+           void *data = rfx_alloc(len);
            swf_GetBlock(tag, data, tag->len);
            swf_ResetTag(tag, ST_DEFINEBITSJPEG2);
            swf_SetBlock(tag, &((U8*)data)[0], 2); //id
            swf_SetBlock(tag, tables_tag->data, tables_tag->len);
-           swf_SetBlock(tag, &((U8*)data)[2], tag->len-2);
+           swf_SetBlock(tag, &((U8*)data)[2], len-2);
            free(data);
        }
        tag = tag->next;