Be less restrictive and allow also `perl util/perlpath.pl /path/to/bin/perl'

in addition to `perl util/perlpath.pl /path/to/bin', because this way one can
also use an interpreter named `perl5' (which is usually the name of Perl 5.xxx
on platforms where an Perl 4.x is still installed as `perl').

Submitted by: Matthias Loepfe <Matthias.Loepfe@adnovum.ch>
Reviewed by: Ralf S. Engelschall

util/perlpath.pl

@@ -17,7 +17,12 @@ sub wanted
 	@a=<IN>;
 	close(IN);
 
-	$a[0]="#!$ARGV[0]/perl\n";
+	if (-d $ARGV[0]) {
+		$a[0]="#!$ARGV[0]/perl\n";
+	}
+	else {
+		$a[0]="#!$ARGV[0]\n";
+	}
 
 	# Playing it safe...
 	$new="$_.new";