fix change visivility of non-org does not affect forks

models/repo.go

 		if err = repo.getOwner(e); err != nil {
 			return fmt.Errorf("getOwner: %v", err)
 		}
-		if !repo.Owner.IsOrganization() {
-			return nil
-		}
-
-		// Organization repository need to recalculate access table when visivility is changed.
-		if err = repo.recalculateTeamAccesses(e, 0); err != nil {
-			return fmt.Errorf("recalculateTeamAccesses: %v", err)
+		if repo.Owner.IsOrganization() {
+			// Organization repository need to recalculate access table when visivility is changed.
+			if err = repo.recalculateTeamAccesses(e, 0); err != nil {
+				return fmt.Errorf("recalculateTeamAccesses: %v", err)
+			}
 		}
 
 		forkRepos, err := getRepositoriesByForkID(e, repo.ID)