Pass validated instead of raw root to walk function

Author: Georg Molau

lib.go

@@ -52,7 +52,7 @@ func RewriteCodeownersRules(path string) ([]string, error) {
 	var rewrittenRules []string
 
 	err = walkCodeownersFiles(root, func(coPath string) error {
-		rules, procErr := processCodeownersFile(path, coPath)
+		rules, procErr := processCodeownersFile(root, coPath)
 		if procErr != nil {
 			return procErr
 		}