Invoke perl with /usr/bin/env, as perl is not guaranteed to exist in

/usr/bin.

Tools/scripts/bump_revision.pl

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl -w
 
 # $FreeBSD$
 

Tools/scripts/chkversion.pl

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl -w
 #
 # Copyright (c) 2004 Oliver Eikemeier. All rights reserved.
 #

Tools/scripts/consistency-check

@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 #
 # Copyright (c) 1999 Neil Blakey-Milner
 # All rights reserved.

Tools/scripts/distinfochecker

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl -w
 
 #
 # $FreeBSD$

Tools/scripts/getpr

@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 #
 # MAINTAINER= miwi@FreeBSD.org
 #

Tools/scripts/mark_safe.pl

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl -w
 
 # $FreeBSD$
 #

Tools/scripts/portsearch

@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 #-
 # Copyright (c) 2000 Mark Ovens
 # All rights reserved.