remove redundant warning option

diff --git a/bin/irspy-dump.pl b/bin/irspy-dump.pl
index a87177b..e30e320 100755 (executable)
--- a/bin/irspy-dump.pl
+++ b/bin/irspy-dump.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 
 # Invoke as:
 #      $ mkdir records-2010-04-06