Sentinel: always send CONFIG REWRITE when changing instance role.

This change makes Sentinel less fragile about a number of failure modes.

This commit also fixes a different bug as a side effect, SLAVEOF command
was sent multiple times without incrementing the pending commands count.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/db.c b/src/db.c
index 8d538662e..1bdcf9e83 100644
--- a/src/db.c
+++ b/src/db.c
@@ -350,7 +350,7 @@ void scanCallback(void *privdata, const dictEntry *de) {
     if (val) listAddNodeTail(keys, val);
 }
 
-/* Try to parse a SCAN cursor stored ad object 'o':
+/* Try to parse a SCAN cursor stored at object 'o':
  * if the cursor is valid, store it as unsigned integer into *cursor and
  * returns REDIS_OK. Otherwise return REDIS_ERR and send an error to the
  * client. */