sztest: Use bash specifically.

diff --git a/sztest b/sztest
index 2393971..f309178 100755 (executable)
--- a/sztest
+++ b/sztest
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 if [ $# -lt 1 ]; then
     echo "usage: sztest [-H SYS-HEADER] [-L LOCAL-HEADER] TYPE [CCFLAGS...]" >&2