--- mupdf-1.6-source/source/fitz/load-jpx.c~	2013-08-14 14:41:20.000000000 +0200
+++ mupdf-1.6-source/source/fitz/load-jpx.c	2014-11-04 22:47:25.217970803 +0100
@@ -117,7 +117,7 @@
 	opj_stream_set_read_function(stream, fz_opj_stream_read);
 	opj_stream_set_skip_function(stream, fz_opj_stream_skip);
 	opj_stream_set_seek_function(stream, fz_opj_stream_seek);
-	opj_stream_set_user_data(stream, &sb);
+	opj_stream_set_user_data(stream, &sb, NULL);
 	/* Set the length to avoid an assert */
 	opj_stream_set_user_data_length(stream, size);