(decode_switches) [-u]: Fix bug whereby -u had no effect

without -l or -t.  Now, -u (like -c) implies --sort=time.
Suggestion from Andreas Schwab.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/ls.c b/src/ls.c
index 561d52a16..d2ee0a75f 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -1020,6 +1020,7 @@ decode_switches (int argc, char **argv)
 	  break;
 
 	case 'u':
+	  sort_type = sort_time;
 	  time_type = time_atime;
 	  break;