version.sh: change to use /bin/sh

diff --git a/version.sh b/version.sh
index 2e704647d202eb28a8956aa80eebe23ecca6d0a4..682bcba63da95dd515712b13c55ce9be66315577 100755 (executable)
--- a/version.sh
+++ b/version.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 [ -n "$1" ] && cd $1
 
 git_version() {