assemble script: use warnings in modern way

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/assemble-firmware.pl b/assemble-firmware.pl
index 1e7350c28988e2082bf67ea61e915c294257fdee..2f02c23c2e375e2275d25df811f49b3223e5eb3a 100755 (executable)
--- a/assemble-firmware.pl
+++ b/assemble-firmware.pl
@@ -1,6 +1,8 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 
 use strict;
+use warnings;
+
 use File::Basename;
 use File::Path;