yes: fix copy and paste issue with previous commit

* src/yes.c (main): Output 'y' not '-'.
* tests/misc/yes.sh: Add a test for default output.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/yes.c b/src/yes.c
index e127310f1..a3b25ce08 100644
--- a/src/yes.c
+++ b/src/yes.c
@@ -76,7 +76,7 @@ main (int argc, char **argv)
 
   char **operand_lim = argv + argc;
   if (optind == argc)
-    *operand_lim++ = bad_cast ("-");
+    *operand_lim++ = bad_cast ("y");
 
   /* Buffer data locally once, rather than having the
      large overhead of stdio buffering each item.  */