Patch for <http://rt.openssl.org/Ticket/Display.html?id=2435&user=guest&pass=guest>.
Fixes compilation on FreeBSD 8.2 with GNU Make 3.81.

diff --git a/crypto/perlasm/x86_64-xlate.pl b/crypto/perlasm/x86_64-xlate.pl
index e47116b..dc500ae 100755
--- a/crypto/perlasm/x86_64-xlate.pl
+++ b/crypto/perlasm/x86_64-xlate.pl
@@ -66,7 +66,7 @@ if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
   my ($outdev,$outino,@junk)=stat($output);
 
     open STDOUT,">$output" || die "can't open $output: $!"
-	if ($stddev!=$outdev || $stdino!=$outino);
+	if (!defined($outdev) || $stddev!=$outdev || $stdino!=$outino);
 }
 
 my $gas=1;	$gas=0 if ($output =~ /\.asm$/);