diff -uNr smstools3.ORIG/scripts/hex2bin smstools3/scripts/hex2bin
--- smstools3.ORIG/scripts/hex2bin	2017-09-11 14:11:48.040928533 +0100
+++ smstools3/scripts/hex2bin	2017-09-11 14:12:00.925927820 +0100
@@ -1,4 +1,4 @@
-#!/bin/gawk -f
+#!/usr/bin/gawk -f
 
 # This script reads a hex-dump and converts it to a binary file.
 # The hex-dump must contain one or more hexadecimal numbers separated
