test/encoding/readable.sh: use bash instead of sh

aside from the `source` statement, the readable.sh is POSIX shell
script. we can just "." the referenced helper script. but to be
consistent with other encoding/*.sh scripts, let's just change the
shebang line to "#!/bin/bash".

Signed-off-by: Kefu Chai <tchaikov@gmail.com>

diff --git a/src/test/encoding/readable.sh b/src/test/encoding/readable.sh
index f55d309f2d5d8d781019e1215e570184f30bb543..bcec7558e0ac3d3128962f8a46af2508fdca0201 100755 (executable)
--- a/src/test/encoding/readable.sh
+++ b/src/test/encoding/readable.sh
@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/bash -e
 
 [ -z "$CEPH_ROOT" ] && CEPH_ROOT=..