bin/*: Remove '-w' from interpreter specifications

Replace '-w' flag from Perl interpreter specifications with 'use strict'
directive. This is done in preparation of using a more flexible
interpreter specification.

Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>

bin/gendesc

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 #
 #   Copyright (c) International Business Machines  Corp., 2002
 #
@@ -36,6 +36,7 @@
 #
 
 use strict;
+use warnings;
 use File::Basename; 
 use Getopt::Long;
 use Cwd qw/abs_path/;

bin/genhtml

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 #
 #   Copyright (c) International Business Machines  Corp., 2002,2012
 #
@@ -65,6 +65,7 @@
 #
 
 use strict;
+use warnings;
 use File::Basename;
 use File::Temp qw(tempfile);
 use Getopt::Long;

bin/geninfo

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 #
 #   Copyright (c) International Business Machines  Corp., 2002,2012
 #
@@ -50,6 +50,7 @@
 #
 
 use strict;
+use warnings;
 use File::Basename; 
 use File::Spec::Functions qw /abs2rel catdir file_name_is_absolute splitdir
 			      splitpath catpath/;

bin/genpng

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 #
 #   Copyright (c) International Business Machines  Corp., 2002
 #
@@ -30,6 +30,7 @@
 #
 
 use strict;
+use warnings;
 use File::Basename; 
 use Getopt::Long;
 use Cwd qw/abs_path/;

bin/lcov

@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 #
 #   Copyright (c) International Business Machines  Corp., 2002,2012
 #
@@ -60,6 +60,7 @@
 #
 
 use strict;
+use warnings;
 use File::Basename;
 use File::Path;
 use File::Find;

bin/updateversion.pl

@@ -1,6 +1,7 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 
 use strict;
+use warnings;
 
 use File::Basename;