Don't re-format config if somehow the config option isn't set

apache/apache-lib.pl

@@ -2308,7 +2308,7 @@ sub format_modifed_config_files
 # Checks if formatting config is allowed
 sub format_config_allowed
 {
-return $config{'format_config'} ne '0';
+return $config{'format_config'};
 }
 
 1;