Explicitly use bash, not sh

Some bash features were already being used, this just makes the
requirement a little more explicit.

1 files changed, 1 insertions, 1 deletions

diff --git a/hypo b/hypo
index f7d4f2a..14df732 100755
--- a/hypo
+++ b/hypo
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # hypo-cli -- Easily communicate with hypo
 # Copyright (C) 2013  Tom Willemse
 #