init_output_bitstream(): Set bytes_remaining correctly

diff --git a/src/compress.c b/src/compress.c
index c121511b32b706df50e43389748d444bc16db40a..7d5e2b6ea2cd36534ae887246e40bed1abb563b6 100644 (file)
--- a/src/compress.c
+++ b/src/compress.c
@@ -122,7 +122,7 @@ init_output_bitstream(struct output_bitstream *ostream,
        ostream->bit_output          = data;
        ostream->next_bit_output     = data + 2;
        ostream->output              = data + 4;
-       ostream->bytes_remaining     = num_bytes;
+       ostream->bytes_remaining     = num_bytes - 4;
        ostream->overrun             = false;
 }