Index: jellyfish/jellyfish/seq_qual_parser.cc
===================================================================
--- jellyfish.orig/jellyfish/seq_qual_parser.cc	2011-10-10 13:08:53.000000000 -0700
+++ jellyfish/jellyfish/seq_qual_parser.cc	2011-10-10 13:09:07.000000000 -0700
@@ -15,6 +15,7 @@
 */
 
 #include <jellyfish/seq_qual_parser.hpp>
+#include <cstddef> // for ptrdiff_t
 
 jellyfish::seq_qual_parser *
 jellyfish::seq_qual_parser::new_parser(const char *path) {
