qemu-iotests: explicitly use bash interpreter

The tests use bash language features like 'let', which aren't supported
by /bin/sh on systems that use a conservative shell like dash.  This
patch changes the interpreter to /bin/bash.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/qemu-iotests/007 b/tests/qemu-iotests/007
index b2b6df3f65..2de1aa4977 100755
--- a/tests/qemu-iotests/007
+++ b/tests/qemu-iotests/007
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Check for one possible case of qcow2 refcount corruption.
 #