From: Michael R. Crusoe <michael.crusoe@gmail.com>
Subject: small_mers needs bash

Due to process substitution. Thanks to https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/jellyfish.html for highlighting this.
--- jellyfish.orig/tests/small_mers.sh
+++ jellyfish/tests/small_mers.sh
@@ -1,4 +1,4 @@
-#! /bin/sh
+#! /bin/bash
 
 cd tests
 . ../compat.sh
