perl: use "use warnings" instead of -w

diff --git a/git-send-email.perl b/git-send-email.perl
index 314e59e7a9f14d8bf1106cf5f5dd73da65f30905..d10d869912c187868018e5a7b9d97bad51073b64 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 #
 # Copyright 2002,2005 Greg Kroah-Hartman <greg@kroah.com>
 # Copyright 2005 Ryan Anderson <ryan@michonline.com>