Off-by-one bug in libavcodec/idcinvideo.c, caused

segfaults on all .cin videos from Quake II.
patch by (Matti Hamalainen <mhamalai ratol fi>)


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@3956 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/idcinvideo.c

@@ -192,7 +192,7 @@ static void idcin_decode_vlcs(IdcinContext *s)
 
             while(node_num >= HUF_TOKENS) {
                 if(!bit_pos) {
-                    if(dat_pos > s->size) {
+                    if(dat_pos >= s->size) {
                         av_log(s->avctx, AV_LOG_ERROR, "Huffman decode error.\n");
                         return;
                     }