istream-base64-encoder: Set the stream seekable if parent stream is seekable.

diff --git a/src/lib/istream-base64-encoder.c b/src/lib/istream-base64-encoder.c
index f3c33c649b2d04f1be7e1298dfbbf3dd126acb90..ddfb18a918c811bd861f1fc02239e61a545e4a3b 100644 (file)
--- a/src/lib/istream-base64-encoder.c
+++ b/src/lib/istream-base64-encoder.c
@@ -168,7 +168,7 @@ i_stream_create_base64_encoder(struct istream *input,
 
        bstream->istream.istream.readable_fd = FALSE;
        bstream->istream.istream.blocking = input->blocking;
-       bstream->istream.istream.seekable = FALSE;
+       bstream->istream.istream.seekable = input->seekable;
        return i_stream_create(&bstream->istream, input,
                               i_stream_get_fd(input));
 }