Have -n imply -r, since dry-run mode obviously doesn't require root

privileges.

Approved by:	rstone (co-mentor)
MFC after:	1 week

usr.sbin/newsyslog/newsyslog.8

@@ -125,7 +125,9 @@ reasons for either trimming that log or skipping it.
 Cause
 .Nm
 not to trim the logs, but to print out what it would do if this option
-were not specified.
+were not specified. This option implies the
+.Fl r
+option.
 .It Fl r
 Remove the restriction that
 .Nm

usr.sbin/newsyslog/newsyslog.c

@@ -644,7 +644,7 @@ parse_args(int argc, char **argv)
 			break;
 		case 'n':
 			noaction++;
-			break;
+			/* FALLTHROUGH */
 		case 'r':
 			needroot = 0;
 			break;