lib: Fix to previous istream-chain max_buffer_size handling

We were casting the wrong stream.

diff --git a/src/lib/istream-chain.c b/src/lib/istream-chain.c
index 89c1bbc59cc3ccdfe70bb1346ecdb704e1840684..ddf0f566c82db5978478b43982eeee0b96bf337d 100644 (file)
--- a/src/lib/istream-chain.c
+++ b/src/lib/istream-chain.c
@@ -46,7 +46,7 @@ i_stream_chain_append_internal(struct istream_chain *chain,
                i_stream_ref(stream);   
 
        if (chain->head == NULL && stream != NULL) {
-               struct chain_istream *cstream = (struct chain_istream *)stream;
+               struct chain_istream *cstream = (struct chain_istream *)chain->stream;
 
                if (cstream->have_explicit_max_buffer_size) {
                        i_stream_set_max_buffer_size(stream,