Fix indentation issues (spaces => tabs)

config.php-dist

@@ -25,8 +25,8 @@
 	// including PUSH, bookmarklets and browser integration will not work properly.
 
 	define('FEED_CRYPT_KEY', '');
-   // Key used for encryption of login/passwords for password-protected feeds
+	// Key used for encryption of login/passwords for password-protected feeds
-   // in the database. A string of 24 random characters. If left blank, encryption
+	// in the database. A string of 24 random characters. If left blank, encryption
 	// is not used. Requires mcrypt functions.
 	// Warning: changing this key will make your stored feed passwords impossible
 	// to decrypt.