mkdir: Suppress extra newline in warning messages (#995)

Strings passed to die() and warn() already had an explicit newline, so there's no need for the SIG handlers to add it.

Author: mknos

bin/mkdir

@@ -18,12 +18,9 @@ use File::Basename qw(basename);
 use File::Spec;
 use Getopt::Std qw(getopts);
 
-our $VERSION = '1.6';
+our $VERSION = '1.7';
 my $Program = basename($0);
 
-$SIG{__WARN__} = sub { warn "$Program: @_\n" };
-$SIG{__DIE__} =  sub { die  "$Program: @_\n" };
-
 my %options;
 getopts('m:p', \%options) or usage();
 usage() unless @ARGV;
@@ -32,6 +29,9 @@ use constant EX_SUCCESS => 0;
 use constant EX_ERROR   => 1;
 use constant EX_USAGE   => 2;
 
+$SIG{__WARN__} = sub { print { *STDERR } "$Program: @_" };
+$SIG{__DIE__}  = sub { print { *STDERR } "$Program: @_"; exit EX_ERROR };
+
 sub VERSION_MESSAGE {
 	print "$Program version $VERSION\n";
 	exit EX_SUCCESS;