Do not complain about USE_LDCONFIG32

PR:		251431
Submitted by:	gerald

portlint.pl

@@ -1830,7 +1830,7 @@ sub checkmakefile {
 		my $lineno = &linenumber($`);
 		&perror("WARN", $file, $lineno, "is $1$2 a user-settable option? ".
 			"Consider using WITH_$2 instead.")
-		if ($1.$2 ne 'USE_GCC');
+		if ($1.$2 ne 'USE_GCC' && $1.$2 ne 'USE_LDCONFIG32');
 	}
 
 	#