(parse_opt): Use ARGP_ERR_UNKNOWN instead of EINVAL.

1 files changed, 2 insertions, 1 deletions

diff --git a/utils/w.c b/utils/w.c
index 13b5457f..aa0c22ce 100644
--- a/utils/w.c
+++ b/utils/w.c
@@ -403,7 +403,8 @@ main(int argc, char *argv[])
 	case ARGP_KEY_ARG:
 	  break;
 
-	default: return EINVAL;
+	default:
+	  return ARGP_ERR_UNKNOWN;
 	}
       return 0;
     }