fix issue 225, instead of stoping when wrong atom size is found,

limit atom size to what is left, assuming container atom has correct size..
cricket4.3g2 has incorrect moov atom size which indicates that file size should be
2 bytes bigger than it is and quicktime reads it correctly though.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@10836 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/mov.c

@@ -179,8 +179,10 @@ static int mov_read_default(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
                 break;
         }
         a.size -= 8;
-        if(a.size < 0 || a.size > atom.size - total_size)
+        if(a.size < 0)
             break;
+        if (a.size > atom.size - total_size)
+            a.size = atom.size - total_size;
 
         for (i = 0; c->parse_table[i].type != 0L
              && c->parse_table[i].type != a.type; i++)